99 Bottles of Beer
50th
Abundant Numbers
40th
Abundant Numbers (Long)
41st
Arithmetic Numbers
31st
Collatz
48th
Divisors
56th
Emojify
18th
Evil Numbers
40th
Evil Numbers (Long)
38th
Factorial Factorisation
13th
Fibonacci
86th
Fizz Buzz
72nd
Foo Fizz Buzz Bar
19th
Leap Years
57th
Leyland Numbers
13th
Niven Numbers
39th
Niven Numbers (Long)
36th
Odious Numbers
34th
Odious Numbers (Long)
25th
Pascal’s Triangle
21st
Pernicious Numbers
45th
Pernicious Numbers (Long)
24th
Prime Numbers
55th
Prime Numbers (Long)
49th
Quine
32nd
Recamán
21st
ROT13
21st
Tongue-twisters
34th
Zeckendorf Representation
14th