12 Days of Christmas
478th
99 Bottles of Beer
215th
Christmas Trees
236th
Cubes
204th
Fibonacci
955th
Fizz Buzz
829th
Happy Numbers
98th
Morse Decoder
125th
Morse Encoder
125th
Niven Numbers
473rd
Odious Numbers
455th
Pangram Grep
378th
Prime Numbers
136th
Quine
56th
Sierpiński Triangle
231st
φ
298th