12 Days of Christmas
14th
99 Bottles of Beer
17th
Abundant Numbers
26th
Abundant Numbers (Long)
35th
Arithmetic Numbers
24th
Ascending Primes
20th
brainfuck
42nd
Catalan Numbers
27th
Collatz
39th
Divisors
36th
Emirp Numbers
26th
Emirp Numbers (Long)
15th
Evil Numbers
35th
Evil Numbers (Long)
29th
Farey Sequence
22nd
Fibonacci
39th
Fizz Buzz
34th
Foo Fizz Buzz Bar
17th
Happy Numbers
42nd
Happy Numbers (Long)
36th
Kaprekar Numbers
19th
Leap Years
43rd
Leyland Numbers
23rd
Look and Say
27th
Lucky Numbers
21st
Niven Numbers
39th
Niven Numbers (Long)
31st
Odious Numbers
33rd
Odious Numbers (Long)
30th
Pernicious Numbers
39th
Pernicious Numbers (Long)
24th
Prime Numbers
33rd
Prime Numbers (Long)
33rd
Recamán
20th
Smith Numbers
25th
Tongue-twisters
30th
Vampire Numbers
17th