12 Days of Christmas
997th
99 Bottles of Beer
116th
Abundant Numbers
86th
Christmas Trees
20th439th
Divisors
11th118th
Emirp Numbers
15th
Evil Numbers
738th
Fibonacci
1,122nd
Fizz Buzz
141st1,572nd
Fractions
459th
Happy Numbers
100th
Leap Years
470th
Morse Decoder
104th
Morse Encoder
63rd
Niven Numbers
40th255th
Pangram Grep
330th
Pascal’s Triangle
626th
Pernicious Numbers
369th
Prime Numbers
376th
Quine
96th72nd
Rule 110
151st
Seven Segment
148th
Tongue-twisters
47th
λ
71st