12 Days of Christmas
919
99 Bottles of Beer
684
Abundant Numbers
796
852
Abundant Numbers (Long)
837
897
Arabic to Roman
604
Arithmetic Numbers
857
843
ASCII Table
768
brainfuck
697
Card Number Validation
836
Catalan Numbers
654
Christmas Trees
792
Collatz
892
CSS Colors
448
Day of Week
949
Divisors
872
Emirp Numbers
679
Emirp Numbers (Long)
656
Emojify
558
Evil Numbers
947
Evil Numbers (Long)
879861
959
Fibonacci
736
Fizz Buzz
673920854680992
Fractions
834
789
Happy Numbers
731
ISBN
649
846
Leap Years
858
980
Look and Say
762
Niven Numbers
860
977
Odious Numbers
920
Odious Numbers (Long)
932
Ordinal Numbers
853
Pangram Grep
444
748
Pernicious Numbers (Long)
567
Prime Numbers
861
814
Quine
862
Recamán
868
Reverse Polish Notation
788
Tongue-twisters
866
United States
279
Van Eck Sequence
872