Abundant Numbers
3,244th3,304th3,901st3,085th2,675th2,968th1,932nd2,953rd2,265th
Abundant Numbers (Long)
2,105th2,038th2,361st1,781st1,973rd1,527th1,213th1,735th1,380th
Collatz
2,713th2,596th3,222nd2,419th2,707th1,313th807th1,675th984th
Diamonds
675th1,422nd
235th721st500th1,344th
Divisors
4,508th4,821st4,711th3,746th3,528th2,436th2,278th4,204th3,867th
Evil Numbers
1,110th1,039th4,386th2,603rd920th991st590th29th913th
Evil Numbers (Long)
864th965th2,447th2,112th1,815th833rd1,274th108th704th
Farey Sequence
949th
867th
Fibonacci
7,778th
9,358th6,156th4,354th1,193rd
3,053rd3,157th
Fizz Buzz
7,456th6,827th7,426th7,188th5,404th3,881st4,891st5,981st4,668th
Gijswijt’s Sequence
668th556th810th659th660th620th406th481st519th
Happy Numbers
2,369th
3,057th2,657th1,982nd1,937th
1,547th
Happy Numbers (Long)
1,422nd1,246th1,651st1,424th1,389th1,180th900th1,171st498th
Leap Years
3,092nd2,405th4,178th1,153rd1,294th2,035th1,447th1,320th1,967th
Niven Numbers
2,538th2,388th3,558th2,427th2,591st2,048th785th1,858th759th
Niven Numbers (Long)
2,062nd1,925th2,214th2,140th2,071st1,394th731st1,777th737th
Odious Numbers
843rd908th3,679th2,593rd
856th467th31st767th
Odious Numbers (Long)
635th677th2,190th1,885th1,637th673rd920th31st648th
Pascal’s Triangle
2,281st2,219th2,238th1,755th1,853rd701st1,090th1,975th1,520th
Pernicious Numbers
2,725th
1,639th668th1,207th1,099th
Pernicious Numbers (Long)
893rd769th1,248th1,241st1,271st1,192nd432nd615th1,027th
Prime Numbers
3,918th3,673rd5,328th4,146th3,010th3,892nd1,757th3,028th2,117th
Prime Numbers (Long)
2,084th1,589th2,615th1,658th2,077th1,518th891st1,398th1,401st
Sierpiński Triangle
469th709th726th411th436th734th313th576th305th