12 Days of Christmas
992nd
99 Bottles of Beer
118th
Abundant Numbers
86th
Christmas Trees
20th425th
Divisors
10th1st
Emirp Numbers
111th
Evil Numbers
734th
Fibonacci
1,122nd
Fizz Buzz
140th1,543rd
Fractions
454th
Happy Numbers
107th
Leap Years
459th
Morse Decoder
84th
Morse Encoder
62nd
Niven Numbers
40th253rd
Pangram Grep
315th
Pascal’s Triangle
625th
Pernicious Numbers
364th
Prime Numbers
375th
Quine
96th72nd
Rule 110
146th
Seven Segment
133rd
Tongue-twisters
45th
λ
123rd