12 Days of Christmas
14th
6th99 Bottles of Beer
22ndAbundant Numbers
32ndbrainfuck
4thChristmas Trees
19thCubes
16thDivisors
21st
41stEmirp Numbers
9thEmojify
11thEvil Numbers
18th
31stFibonacci
86th
14th
32ndFizz Buzz
32nd
86thLeap Years
23rd
Leyland Numbers
5thNiven Numbers
28thOdious Numbers
18th
29thPernicious Numbers
39thPrime Numbers
27th
34thRule 110
10th
Spelling Numbers
6thSudoku
4thπ
42nd