12 Days of Christmas
66th
637th
99 Bottles of Beer
56th
Abundant Numbers
114th
Arabic to Roman
32nd
122nd
265th
Christmas Trees
70th
Evil Numbers
127th
62nd
82nd
223rd
992nd
82nd
Fibonacci
351st
Fizz Buzz
30th
Leap Years
138th
Odious Numbers
96th
53rd
66th
196th
713th
61st
Ordinal Numbers
32nd
16th
Pascalβs Triangle
71st
Prime Numbers
121st
54th
Prime Numbers (Long)
69th
47th
Quine
183rd
Rule 110
47th