12 Days of Christmas
57th99 Bottles of Beer
39thAbundant Numbers
55thAbundant Numbers (Long)
36thArabic to Roman
42ndArrows
27thASCII Table
43rdChristmas Trees
49thCollatz
53rdDivisors
87thEmirp Numbers
34thEmirp Numbers (Long)
19thEvil Numbers
68thEvil Numbers (Long)
40thFibonacci
145thFizz Buzz
156thFoo Fizz Buzz Bar
71stFractions
29thHappy Numbers
54thHappy Numbers (Long)
29thLeap Years
82ndLeyland Numbers
26thLucky Numbers
16thMorse Encoder
26thNiven Numbers
46thNiven Numbers (Long)
38thNumber Spiral
29thOdious Numbers
64thOdious Numbers (Long)
37thOrdinal Numbers
52ndPangram Grep
54thPascal’s Triangle
46thPernicious Numbers
49thPernicious Numbers (Long)
23rdPrime Numbers
32ndPrime Numbers (Long)
26thRecamán
32ndReverse Polish Notation
23rdRule 110
25thTongue-twisters
33rdUnited States
31st