12 Days of Christmas
456th
99 Bottles of Beer
166th
Christmas Trees
207th
Cubes
187th
Fibonacci
955th
Fizz Buzz
807th
Happy Numbers
230th
Morse Decoder
120th
Morse Encoder
122nd
Niven Numbers
780th
Odious Numbers
452nd
Pangram Grep
371st
Prime Numbers
136th
Quine
56th
Sierpiński Triangle
228th
φ
301st