12 Days of Christmas
626
99 Bottles of Beer
681
Abundant Numbers
800
645
Abundant Numbers (Long)
895
714
Arithmetic Numbers
817
Ascending Primes
463
ASCII Table
688
Catalan Numbers
875
Christmas Trees
731
Collatz
485587789667932761551505
622753561507648784771410731936724608470818821796583656655671805416628800572907667737603632
Diamonds
406
620
276
Divisors
832
Emirp Numbers
391422
483
Emirp Numbers (Long)
715
765
Emojify
442
Evil Numbers
576562
806
432
Evil Numbers (Long)
824
Fibonacci
851
Fizz Buzz
967
Foo Fizz Buzz Bar
922
Fractions
804
Happy Numbers
533544
634
619
Happy Numbers (Long)
894
Intersection
836
ISBN
392
425
524
712
Kaprekar Numbers
759
Leap Years
863
ln 2
628
Lucky Numbers
556
546
Niven Numbers
699
Niven Numbers (Long)
806
Number Spiral
345
Odious Numbers
845
Odious Numbers (Long)
861
Pascal’s Triangle
830
776
Pernicious Numbers
556523
779
Pernicious Numbers (Long)
914
Prime Numbers
846
Prime Numbers (Long)
899
Quine
911
969
Recamán
762
Rock-paper-scissors-Spock-lizard
468564
Set
691
Sierpiński Triangle
592
Smith Numbers
871
Time Distance
769
Tongue-twisters
402
United States
198
Vampire Numbers
665
π
378
τ
368
𝑒
589
70