12 Days of Christmas
595
99 Bottles of Beer
632
Abundant Numbers
697
Arithmetic Numbers
834
ASCII Table
665
Card Number Validation
444
Christmas Trees
510
Collatz
697
679785839
Cubes
478
Diamonds
354
Divisors
771
Evil Numbers
491
Factorial Factorisation
547
Farey Sequence
624
Fibonacci
864
846
Fizz Buzz
761
834
Foo Fizz Buzz Bar
491672822
Fractions
534
Gray Code Decoder
575
706
Gray Code Encoder
811
Happy Numbers
257
Intersection
468
Inventory Sequence
305
ISBN
572
Kaprekar Numbers
669
Kolakoski Sequence
607578624
Leap Years
617
Leyland Numbers
611
Look and Say
526
Lucky Numbers
500
Niven Numbers
517
Odious Numbers
442
Ordinal Numbers
439
PalindromemordnilaP
582
Pangram Grep
582
Pascal’s Triangle
688
Pernicious Numbers
343
Prime Numbers
682
Recamán
712
730
Seven Segment
533
Sierpiński Triangle
357
Smith Numbers
554
Transpose Sentence
553
Trinomial Triangle
713
Ulam Sequence
813
United States
155
Van Eck Sequence
692