12 Days of Christmas
25th99 Bottles of Beer
9thAbundant Numbers
17thbrainfuck
6thDivisors
17thEmirp Numbers
26thEvil Numbers
24thFibonacci
16thFizz Buzz
14thHappy Numbers
23rdLeap Years
33rdNiven Numbers
13thOdious Numbers
22ndOrdinal Numbers
11thPangram Grep
3rdPascalβs Triangle
18thPernicious Numbers
28thPoker
6thPrime Numbers
19thQuine
15thUnited States
9th