12 Days of Christmas
9th
99 Bottles of Beer
10th
Abundant Numbers
21st
Abundant Numbers (Long)
22nd
Arithmetic Numbers
24th
Ascending Primes
18th
brainfuck
34th
Catalan Numbers
25th
Collatz
29th
Divisors
27th
Emirp Numbers
22nd
Emirp Numbers (Long)
9th
Evil Numbers
27th
Evil Numbers (Long)
22nd
Farey Sequence
19th
Fibonacci
36th
Fizz Buzz
30th
Foo Fizz Buzz Bar
24th
Happy Numbers
39th
Happy Numbers (Long)
33rd
Kaprekar Numbers
15th
Leap Years
30th
Leyland Numbers
17th
Niven Numbers
33rd
Niven Numbers (Long)
28th
Odious Numbers
32nd
Odious Numbers (Long)
22nd
Pernicious Numbers
33rd
Pernicious Numbers (Long)
18th
Prime Numbers
25th
Prime Numbers (Long)
24th
Recamán
11th
Tongue-twisters
29th
Vampire Numbers
13th