12 Days of Christmas
349th99 Bottles of Beer
606thAbundant Numbers
598thArabic to Roman
156thChristmas Trees
318thCubes
89thDiamonds
150thDivisors
513thEmirp Numbers
294thEvil Numbers
791stFibonacci
641stFizz Buzz
1,222ndHappy Numbers
256thLeap Years
764thLeyland Numbers
200thMorse Decoder
122ndMorse Encoder
132ndNiven Numbers
545thOdious Numbers
594thOrdinal Numbers
161stPangram Grep
347thPascal’s Triangle
183rdPernicious Numbers
327thPrime Numbers
725thQuine
52ndRock-paper-scissors-Spock-lizard
100thRoman to Arabic
143rdRule 110
132ndSeven Segment
65thSierpiński Triangle
137thSudoku
39th