12 Days of Christmas
943rd
99 Bottles of Beer
113th
Abundant Numbers
78th
Christmas Trees
18th425th
Divisors
11th111th
Emirp Numbers
12th
Evil Numbers
714th
Fibonacci
1,095th
Fizz Buzz
138th1,542nd
Fractions
439th
Happy Numbers
92nd
Leap Years
456th
Morse Decoder
99th
Morse Encoder
59th
Niven Numbers
38th243rd
Pangram Grep
316th
Pascal’s Triangle
601st
Pernicious Numbers
353rd
Prime Numbers
361st
Quine
99th67th
Rule 110
144th
Seven Segment
144th
Tongue-twisters
43rd
λ
64th