12 Days of Christmas
8th
99 Bottles of Beer
10th
Abundant Numbers
13th
Abundant Numbers (Long)
14th
Arithmetic Numbers
15th
Ascending Primes
11th
brainfuck
34th
Catalan Numbers
23rd
Collatz
17th
Divisors
18th
Emirp Numbers
20th
Emirp Numbers (Long)
7th
Evil Numbers
15th
Evil Numbers (Long)
14th
Farey Sequence
16th
Fibonacci
26th
Fizz Buzz
17th
Foo Fizz Buzz Bar
16th
Happy Numbers
33rd
Happy Numbers (Long)
28th
Kaprekar Numbers
11th
Leap Years
19th
Leyland Numbers
14th
Niven Numbers
23rd
Niven Numbers (Long)
18th
Odious Numbers
20th
Odious Numbers (Long)
16th
Pernicious Numbers
22nd
Pernicious Numbers (Long)
10th
Prime Numbers
15th
Prime Numbers (Long)
12th
Recamán
9th
Tongue-twisters
24th
Vampire Numbers
14th