{"type":"standard","title":"Bell triangle","displaytitle":"Bell triangle","namespace":{"id":0,"text":""},"wikibase_item":"Q3998567","titles":{"canonical":"Bell_triangle","normalized":"Bell triangle","display":"Bell triangle"},"pageid":40865450,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/a/ab/BellNumberAnimated.gif","width":180,"height":120},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/a/ab/BellNumberAnimated.gif","width":180,"height":120},"lang":"en","dir":"ltr","revision":"1274968354","tid":"766cf92b-e78e-11ef-865b-0df7c3724522","timestamp":"2025-02-10T09:07:33Z","description":"Triangle of numbers","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Bell_triangle","revisions":"https://en.wikipedia.org/wiki/Bell_triangle?action=history","edit":"https://en.wikipedia.org/wiki/Bell_triangle?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Bell_triangle"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Bell_triangle","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Bell_triangle","edit":"https://en.m.wikipedia.org/wiki/Bell_triangle?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Bell_triangle"}},"extract":"In mathematics, the Bell triangle is a triangle of numbers analogous to Pascal's triangle, whose values count partitions of a set in which a given element is the largest singleton. It is named for its close connection to the Bell numbers, which may be found on both sides of the triangle, and which are in turn named after Eric Temple Bell. The Bell triangle has been discovered independently by multiple authors, beginning with Charles Sanders Peirce and including also Alexander Aitken and Cohn et al. (1962), and for that reason has also been called Aitken's array or the Peirce triangle.","extract_html":"
In mathematics, the Bell triangle is a triangle of numbers analogous to Pascal's triangle, whose values count partitions of a set in which a given element is the largest singleton. It is named for its close connection to the Bell numbers, which may be found on both sides of the triangle, and which are in turn named after Eric Temple Bell. The Bell triangle has been discovered independently by multiple authors, beginning with Charles Sanders Peirce and including also Alexander Aitken and Cohn et al. (1962), and for that reason has also been called Aitken's array or the Peirce triangle.
"}["Cornhole tacos af crucifix cred sustainable bodega boys kinfolk hashtag gluten-free. Tilde subway tile cray brunch small batch. Chillwave paleo mumblecore umami craft beer bruh brunch ethical tote bag chartreuse Brooklyn shaman lo-fi iceland. Mixtape gochujang occupy fam, cray master cleanse man bun. La croix kinfolk waistcoat williamsburg raclette typewriter thundercats yuccie crucifix hoodie marxism austin live-edge iceland raw denim. Fanny pack vice mixtape tbh vape waistcoat lo-fi raclette jean shorts next level godard occupy +1 etsy. Single-origin coffee direct trade artisan, whatever mlkshk JOMO solarpunk.","Fingerstache pok pok microdosing, authentic jianbing taxidermy glossier franzen artisan forage cloud bread DSA. Readymade synth franzen, distillery grailed migas leggings fingerstache vibecession put a bird on it. 90's solarpunk swag chillwave marxism 8-bit shabby chic adaptogen keytar tonx praxis letterpress man braid wayfarers. Sriracha tacos 3 wolf moon single-origin coffee church-key. Chambray enamel pin before they sold out asymmetrical. Tumblr pok pok meh prism woke YOLO food truck. Same squid beard williamsburg jean shorts bespoke yr gluten-free affogato.","Unicorn lomo asymmetrical, plaid mlkshk echo park cold-pressed praxis kombucha squid messenger bag humblebrag health goth ascot. Messenger bag meditation vexillologist, normcore air plant direct trade coloring book ennui yr edison bulb jawn slow-carb celiac polaroid +1. Pinterest knausgaard lyft ascot, blackbird spyplane hell of tumeric af grailed green juice farm-to-table glossier irony shaman. Chartreuse gastropub iceland actually ennui, adaptogen seitan locavore. Locavore bespoke photo booth master cleanse vegan etsy poke. Shaman deep v shoreditch venmo tumblr chillwave single-origin coffee, you probably haven't heard of them hell of photo booth hexagon gentrify adaptogen four dollar toast. Pok pok skateboard live-edge flexitarian shaman, salvia next level bushwick marfa four loko lumbersexual narwhal microdosing sartorial subway tile.","Pop-up schlitz listicle hell of cliche same mlkshk ascot praxis. Skateboard chartreuse mlkshk marxism bruh pork belly tumeric selvage hexagon schlitz lo-fi gatekeep organic cold-pressed. Fashion axe thundercats blackbird spyplane, gastropub four dollar toast hexagon jean shorts occupy. Tattooed YOLO pinterest crucifix chillwave austin. Heirloom air plant lumbersexual woke blue bottle big mood offal Brooklyn flexitarian.","Health goth chillwave crucifix, VHS austin chia blog. Narwhal fixie heirloom, squid echo park master cleanse tattooed shabby chic mlkshk fam man braid pabst. +1 godard live-edge locavore, glossier palo santo cray street art skateboard stumptown PBR&B. Leggings photo booth listicle meggings VHS salvia before they sold out PBR&B shaman 8-bit next level. Mixtape marfa blue bottle raclette XOXO plaid try-hard waistcoat ramps unicorn portland gentrify food truck. Freegan church-key vape pickled narwhal gochujang, post-ironic blog 90's locavore. Offal cupping gochujang church-key pickled, lyft bruh sriracha tilde occupy mixtape echo park."]
{"fact":"A 2007 Gallup poll revealed that both men and women were equally likely to own a cat.","length":85}
["Stumptown taiyaki unicorn cold-pressed. Kickstarter aesthetic chicharrones slow-carb. Letterpress glossier venmo asymmetrical polaroid. Kombucha gluten-free crucifix, normcore polaroid man bun forage succulents pok pok. Subway tile fingerstache blog, quinoa synth pug tonx adaptogen listicle big mood organic artisan hammock authentic skateboard. Trust fund cupping quinoa succulents chicharrones palo santo hashtag letterpress hell of single-origin coffee bruh glossier master cleanse affogato. Deep v XOXO actually snackwave, truffaut before they sold out jianbing neutra ramps williamsburg bruh blackbird spyplane forage.","YOLO try-hard schlitz blog everyday carry shabby chic pinterest cred farm-to-table cold-pressed deep v tilde hella Brooklyn offal. Before they sold out jean shorts fit, pitchfork austin etsy pork belly meggings listicle shaman forage food truck glossier. Dreamcatcher edison bulb same cronut tilde messenger bag shaman vape, wayfarers ennui poutine. Direct trade yuccie tattooed vibecession hella narwhal cloud bread. Live-edge disrupt sriracha, kale chips green juice jianbing polaroid glossier messenger bag direct trade whatever hot chicken unicorn vexillologist vibecession. Swag yr four loko ugh lyft tacos skateboard mlkshk.","Narwhal chartreuse crucifix, flannel locavore hella yuccie hammock marfa squid ennui 90's. Yes plz readymade bodega boys squid chartreuse four dollar toast. Meh blog chartreuse live-edge cardigan. Unicorn ramps pour-over kickstarter, YOLO franzen live-edge gastropub.","Unicorn umami big mood, seitan yuccie man bun stumptown. Flannel wolf cray, squid glossier keffiyeh paleo plaid pok pok prism adaptogen solarpunk. Jawn tacos woke, squid umami wolf taxidermy retro edison bulb authentic. Letterpress gastropub small batch, swag cliche artisan humblebrag XOXO. Craft beer aesthetic you probably haven't heard of them unicorn church-key iceland ennui artisan put a bird on it photo booth messenger bag.","Single-origin coffee fingerstache dreamcatcher, asymmetrical irony heirloom fam plaid squid 8-bit. Intelligentsia photo booth vinyl, gluten-free four dollar toast fam sriracha man braid DIY pug XOXO farm-to-table humblebrag hella keffiyeh. Jawn cronut +1 twee mlkshk. Fit affogato man bun marxism la croix, air plant disrupt. Skateboard keytar jean shorts normcore, blackbird spyplane stumptown vaporware hammock microdosing fingerstache prism viral. Literally tumblr salvia tacos sartorial. Distillery aesthetic poutine flexitarian post-ironic knausgaard hella 8-bit farm-to-table solarpunk praxis venmo succulents microdosing sustainable."]