12 Days of Christmas
378
99 Bottles of Beer
297494
Abundant Numbers
719
Abundant Numbers (Long)
789
Arithmetic Numbers
747
Catalan Numbers
691
Christmas Trees
597
Collatz
745
Divisors
599933
Emirp Numbers
515
Emirp Numbers (Long)
578
Evil Numbers
802
Evil Numbers (Long)
769
Farey Sequence
204596
Fizz Buzz
891
Foo Fizz Buzz Bar
784
Fractions
585
Happy Numbers
491
Happy Numbers (Long)
605
ISBN
426
Kolakoski Sequence
580
Leap Years
770
Lucky Tickets
489
Niven Numbers
919
Niven Numbers (Long)
871
Number Spiral
202
Pangram Grep
772
Pascal’s Triangle
904
Pernicious Numbers
698
Pernicious Numbers (Long)
730
Prime Numbers
892
Prime Numbers (Long)
952
Quine
944
Reverse Polish Notation
569
Rule 110
391383
Sierpiński Triangle
131
Tongue-twisters
277
Vampire Numbers
70
Van Eck Sequence
788
π
236132