12 Days of Christmas
821
99 Bottles of Beer
405864
Abundant Numbers
750
Abundant Numbers (Long)
890
Arithmetic Numbers
877
Catalan Numbers
691
Christmas Trees
685
Collatz
888
Divisors
598984
Emirp Numbers
634
Emirp Numbers (Long)
694
Evil Numbers
801
Evil Numbers (Long)
769
Farey Sequence
204676
Fizz Buzz
977
Foo Fizz Buzz Bar
986
Fractions
687
Happy Numbers
633
Happy Numbers (Long)
713
ISBN
545
Kolakoski Sequence
591
Leap Years
771
Lucky Tickets
644
Niven Numbers
921
Niven Numbers (Long)
873
Number Spiral
247
Pangram Grep
910
Pascal’s Triangle
975
Pernicious Numbers
698
Pernicious Numbers (Long)
744
Prime Numbers
892
Prime Numbers (Long)
952
Quine
946
Reverse Polish Notation
784
Rule 110
401453
Sierpiński Triangle
99
Tongue-twisters
498
Vampire Numbers
95
Van Eck Sequence
832
π
264132147