12 Days of Christmas
1,079th
99 Bottles of Beer
125th
Abundant Numbers
96th
Christmas Trees
22nd466th
Divisors
12th25th
Emirp Numbers
131st
Evil Numbers
778th
Fibonacci
1,195th
Fizz Buzz
155th1,622nd
Fractions
492nd
Happy Numbers
124th
Leap Years
494th
Morse Decoder
103rd
Morse Encoder
79th
Niven Numbers
44th274th
Pangram Grep
337th
Pascal’s Triangle
657th
Pernicious Numbers
392nd
Prime Numbers
407th
Quine
114th95th
Rule 110
166th
Seven Segment
151st
Tongue-twisters
46th
λ
121st