12 Days of Christmas
721
99 Bottles of Beer
644
Abundant Numbers
713
Abundant Numbers (Long)
832
Arabic to Roman
292
Arithmetic Numbers
703
Arrows
394
Card Number Validation
426
Catalan Numbers
687
Christmas Trees
589
Collatz
750
Diamonds
354
Divisors
744
Emirp Numbers
545
Emirp Numbers (Long)
615
Evil Numbers
726
Evil Numbers (Long)
712
Farey Sequence
509
Fibonacci
787
Fizz Buzz
611
Foo Fizz Buzz Bar
574
Fractions
503
Happy Numbers
604
Intersection
786
ISBN
665
Leap Years
640
Leyland Numbers
671
Lucky Numbers
441
Morse Encoder
208
Niven Numbers
692
Niven Numbers (Long)
755
Odious Numbers
737
Odious Numbers (Long)
735
Ordinal Numbers
552
Pangram Grep
670
Pascal’s Triangle
383
Pernicious Numbers
660
Prime Numbers
622
Prime Numbers (Long)
577
Recamán
712
Rijndael S-box
157
Roman to Arabic
283
Scrambled Sort
678
Seven Segment
359
Sierpiński Triangle
97
Smith Numbers
726
Sudoku
263
Ten-pin Bowling
228
Tongue-twisters
607
United States
148
Vampire Numbers
564
Van Eck Sequence
665
√2
626