12 Days of Christmas
61st
99 Bottles of Beer
39th
Abundant Numbers
21st
Abundant Numbers (Long)
12th
ASCII Table
17th
Catalan’s Constant
12th
Christmas Trees
21st
Collatz
26th
Day of Week
73rd
Diamonds
26th
Divisors
40th
Emojify
21st
Evil Numbers
30th
Evil Numbers (Long)
20th
Fibonacci
67th
Fizz Buzz
168th
Foo Fizz Buzz Bar
49th
Fractions
14th
Leap Years
78th
Niven Numbers
40th
Niven Numbers (Long)
13th
Odious Numbers
28th
Odious Numbers (Long)
20th
Ordinal Numbers
26th
Pangram Grep
19th
Pernicious Numbers
43rd
Prime Numbers
33rd
Quine
40th
Roman to Arabic
22nd
Sierpiński Triangle
24th
Tongue-twisters
14th
Vampire Numbers
13th