12 Days of Christmas
59th
99 Bottles of Beer
41st
Abundant Numbers
55th
Abundant Numbers (Long)
37th
Arabic to Roman
47th
Arrows
29th
ASCII Table
47th
Christmas Trees
52nd
Collatz
58th
Divisors
93rd
Emirp Numbers
37th
Emirp Numbers (Long)
21st
Evil Numbers
78th
Evil Numbers (Long)
51st
Fibonacci
157th
Fizz Buzz
166th
Foo Fizz Buzz Bar
76th
Fractions
33rd
Happy Numbers
57th
Happy Numbers (Long)
30th
Leap Years
84th
Leyland Numbers
29th
Lucky Numbers
18th
Morse Encoder
28th
Niven Numbers
47th
Niven Numbers (Long)
40th
Number Spiral
32nd
Odious Numbers
73rd
Odious Numbers (Long)
47th
Ordinal Numbers
54th
Pangram Grep
57th
Pascal’s Triangle
49th
Pernicious Numbers
52nd
Pernicious Numbers (Long)
26th
Prime Numbers
32nd
Prime Numbers (Long)
27th
Recamán
36th
Reverse Polish Notation
24th
Rule 110
28th
Tongue-twisters
37th
United States
31st