12 Days of Christmas
7th
99 Bottles of Beer
10th
Abundant Numbers
21st
Abundant Numbers (Long)
32nd
Arithmetic Numbers
19th
Ascending Primes
18th
brainfuck
36th
Catalan Numbers
25th
Collatz
30th
Divisors
28th
Emirp Numbers
20th
Emirp Numbers (Long)
9th
Evil Numbers
28th
Evil Numbers (Long)
22nd
Farey Sequence
20th
Fibonacci
28th
Fizz Buzz
31st
Foo Fizz Buzz Bar
13th
Happy Numbers
39th
Happy Numbers (Long)
34th
Kaprekar Numbers
15th
Leap Years
34th
Leyland Numbers
18th
Look and Say
21st
Lucky Numbers
14th
Niven Numbers
34th
Niven Numbers (Long)
29th
Odious Numbers
27th
Odious Numbers (Long)
23rd
Pernicious Numbers
34th
Pernicious Numbers (Long)
18th
Prime Numbers
26th
Prime Numbers (Long)
25th
Recamán
11th
Smith Numbers
20th
Tongue-twisters
28th
Vampire Numbers
11th