Abundant Numbers
14th
brainfuck
21st
Card Number Validation
23rd
Catalan Numbers
215th
Collatz
55th
Divisors
353rd
Evil Numbers
121st
Evil Numbers (Long)
221st
Fibonacci
199th53rd1st1st
Fizz Buzz
12th54th
Fractions
5th1st
Leap Years
19th49th
Leyland Numbers
7th
Odious Numbers
85th
Odious Numbers (Long)
181st
Ordinal Numbers
81st
Pangram Grep
17th36th
Prime Numbers
121st
Quine
63rd
ROT13
1st
Transpose Sentence
7th3rd
Van Eck Sequence
16th
Zeckendorf Representation
25th
√2
137th