12 Days of Christmas
8th
99 Bottles of Beer
12th
Abundant Numbers
22nd
Abundant Numbers (Long)
32nd
Arithmetic Numbers
20th
Ascending Primes
18th
brainfuck
36th
Catalan Numbers
25th
Collatz
34th
Divisors
33rd
Emirp Numbers
23rd
Emirp Numbers (Long)
12th
Evil Numbers
31st
Evil Numbers (Long)
24th
Farey Sequence
20th
Fibonacci
32nd
Fizz Buzz
33rd
Foo Fizz Buzz Bar
14th
Happy Numbers
40th
Happy Numbers (Long)
34th
Kaprekar Numbers
16th
Leap Years
36th
Leyland Numbers
20th
Look and Say
22nd
Lucky Numbers
16th
Niven Numbers
37th
Niven Numbers (Long)
30th
Odious Numbers
28th
Odious Numbers (Long)
25th
Pernicious Numbers
36th
Pernicious Numbers (Long)
19th
Prime Numbers
29th
Prime Numbers (Long)
29th
Recamán
15th
Smith Numbers
20th
Tongue-twisters
29th
Vampire Numbers
13th