99 Bottles of Beer
50th
Abundant Numbers
41st
Abundant Numbers (Long)
43rd
Arithmetic Numbers
32nd
Collatz
50th
Divisors
57th
Emojify
18th
Evil Numbers
40th
Evil Numbers (Long)
38th
Factorial Factorisation
13th
Fibonacci
89th
Fizz Buzz
73rd
Foo Fizz Buzz Bar
19th
Leap Years
61st
Leyland Numbers
13th
Niven Numbers
39th
Niven Numbers (Long)
37th
Odious Numbers
34th
Odious Numbers (Long)
25th
Pascal’s Triangle
22nd
Pernicious Numbers
46th
Pernicious Numbers (Long)
25th
Prime Numbers
56th
Prime Numbers (Long)
51st
Quine
32nd
Recamán
21st
ROT13
21st
Tongue-twisters
34th
Zeckendorf Representation
14th