12 Days of Christmas
821
99 Bottles of Beer
405864
Abundant Numbers
749
Abundant Numbers (Long)
889
Arithmetic Numbers
875
Catalan Numbers
690
Christmas Trees
685
Collatz
887
Divisors
598984
Emirp Numbers
634
Emirp Numbers (Long)
693
Evil Numbers
801
Evil Numbers (Long)
768
Farey Sequence
204675
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
687
Happy Numbers
632
Happy Numbers (Long)
713
ISBN
544
Kolakoski Sequence
590
Leap Years
770
Lucky Tickets
643
Niven Numbers
921
Niven Numbers (Long)
872
Number Spiral
247
Pangram Grep
910
Pascal’s Triangle
974
Pernicious Numbers
698
Pernicious Numbers (Long)
743
Prime Numbers
892
Prime Numbers (Long)
951
Quine
946
Reverse Polish Notation
782
Rule 110
401453
Sierpiński Triangle
100
Tongue-twisters
498
Vampire Numbers
95
Van Eck Sequence
831
π
264132147