12 Days of Christmas
919
99 Bottles of Beer
709
Abundant Numbers
795
851
Abundant Numbers (Long)
864
Arabic to Roman
603
Arithmetic Numbers
855
842
ASCII Table
768
brainfuck
697
Card Number Validation
833
Catalan Numbers
653
Christmas Trees
791
Collatz
891
CSS Colors
448
Day of Week
947
Divisors
872
Emirp Numbers
679
Emirp Numbers (Long)
654
Emojify
557
Evil Numbers
946
Evil Numbers (Long)
894859
958
Fibonacci
736
Fizz Buzz
672919854966992631
Fractions
832
788
Happy Numbers
731
ISBN
648
844
Leap Years
858
980
Look and Say
761
Niven Numbers
859
977
Odious Numbers
920
Odious Numbers (Long)
931
Ordinal Numbers
853
Pangram Grep
444
747
Pernicious Numbers (Long)
566
Prime Numbers
860
813
Quine
866
Recamán
868
Reverse Polish Notation
787
Tongue-twisters
872
United States
279
Van Eck Sequence
871