12 Days of Christmas
59th
99 Bottles of Beer
41st
Abundant Numbers
55th
Abundant Numbers (Long)
39th
Arabic to Roman
48th
Arrows
34th
ASCII Table
49th
Christmas Trees
54th
Collatz
58th
Divisors
95th
Emirp Numbers
38th
Emirp Numbers (Long)
21st
Evil Numbers
79th
Evil Numbers (Long)
51st
Fibonacci
166th
Fizz Buzz
171st
Foo Fizz Buzz Bar
81st
Fractions
33rd
Happy Numbers
61st
Happy Numbers (Long)
30th
Leap Years
87th
Leyland Numbers
30th
Lucky Numbers
18th
Morse Encoder
27th
Niven Numbers
48th
Niven Numbers (Long)
40th
Number Spiral
35th
Odious Numbers
76th
Odious Numbers (Long)
47th
Ordinal Numbers
55th
Pangram Grep
57th
Pascal’s Triangle
50th
Pernicious Numbers
55th
Pernicious Numbers (Long)
26th
Prime Numbers
33rd
Prime Numbers (Long)
27th
Recamán
36th
Reverse Polish Notation
25th
Rule 110
28th
Tongue-twisters
37th
United States
32nd