12 Days of Christmas
626
99 Bottles of Beer
680
Abundant Numbers
758
Arithmetic Numbers
942
ASCII Table
737
Card Number Validation
517
Christmas Trees
562
Collatz
736
695838919
Cubes
536
Diamonds
398
Divisors
842
Evil Numbers
530
Factorial Factorisation
615
Farey Sequence
690
Fibonacci
878
900
Fizz Buzz
809
870
Foo Fizz Buzz Bar
500717905
Fractions
615
Gray Code Decoder
674
839
Gray Code Encoder
938
Happy Numbers
277
Intersection
539
Inventory Sequence
349
ISBN
657
Kaprekar Numbers
760
Kolakoski Sequence
630636706
Leap Years
655
Leyland Numbers
633
Look and Say
593
Lucky Numbers
567
Niven Numbers
564
Odious Numbers
480
Ordinal Numbers
490
PalindromemordnilaP
689
Pangram Grep
644
Pascal’s Triangle
768
Pernicious Numbers
373
Prime Numbers
736
Recamán
733
820
Seven Segment
606
Sierpiński Triangle
395
Smith Numbers
622
Transpose Sentence
663
Trinomial Triangle
823
Ulam Sequence
955
United States
172
Van Eck Sequence
784