12 Days of Christmas
74th99 Bottles of Beer
59thChristmas Trees
64thCubes
32ndDiamonds
43rdDivisors
73rdEmirp Numbers
74thEvil Numbers
89thFibonacci
185thFizz Buzz
241st
131stHappy Numbers
65thLeap Years
81stNiven Numbers
67thOdious Numbers
73rdOrdinal Numbers
50thPangram Grep
42ndPascalβs Triangle
66thPernicious Numbers
74thPrime Numbers
51stQuine
173rd