Abundant Numbers
3,100th3,152nd3,727th2,857th2,540th2,826th1,706th2,872nd2,081st
Abundant Numbers (Long)
1,991st1,932nd2,226th1,661st1,874th1,435th1,044th1,729th1,257th
Collatz
2,583rd2,462nd3,078th2,287th2,553rd1,132nd635th1,622nd863rd
Diamonds
611th1,285th
212th654th472nd1,233rd
Divisors
4,315th4,647th4,441st3,518th3,412th2,326th2,079th4,076th3,679th
Evil Numbers
985th923rd4,201st2,486th852nd904th481st52nd802nd
Evil Numbers (Long)
778th858th2,272nd1,795th1,692nd757th1,174th127th633rd
Farey Sequence
900th
833rd
Fibonacci
7,455th
8,981st5,854th4,196th1,176th
2,987th2,940th
Fizz Buzz
7,147th6,510th6,970th6,833rd5,302nd3,787th4,648th5,928th4,443rd
Gijswijt’s Sequence
595th485th727th563rd590th432nd335th419th452nd
Happy Numbers
2,230th
2,950th2,534th1,910th1,859th
1,461st
Happy Numbers (Long)
1,329th1,164th1,554th1,328th1,310th1,103rd834th1,107th435th
Leap Years
2,549th2,270th3,978th1,017th1,213th1,918th1,327th1,257th1,757th
Niven Numbers
2,331st2,234th3,316th2,256th2,489th1,987th581st1,836th637th
Niven Numbers (Long)
1,956th1,800th2,102nd2,021st1,970th1,308th651st1,699th643rd
Odious Numbers
787th812th3,519th2,460th
799th345th51st687th
Odious Numbers (Long)
582nd626th2,047th1,667th1,522nd632nd832nd49th575th
Pascal’s Triangle
2,175th2,120th2,121st1,646th1,767th659th1,005th1,892nd1,435th
Pernicious Numbers
2,438th
1,432nd572nd1,095th965th
Pernicious Numbers (Long)
811th712th1,144th1,136th1,192nd1,104th391st577th936th
Prime Numbers
3,751st3,514th5,150th3,948th2,854th3,716th1,658th2,880th2,007th
Prime Numbers (Long)
1,961st1,487th2,479th1,551st1,956th1,294th812th1,337th1,319th
Sierpiński Triangle
406th655th631st385th416th687th298th553rd288th