12 Days of Christmas
58th
99 Bottles of Beer
40th
Abundant Numbers
55th
Abundant Numbers (Long)
39th
Arabic to Roman
47th
Arrows
34th
ASCII Table
49th
Christmas Trees
54th
Collatz
58th
Divisors
95th
Emirp Numbers
38th
Emirp Numbers (Long)
21st
Evil Numbers
78th
Evil Numbers (Long)
51st
Fibonacci
161st
Fizz Buzz
169th
Foo Fizz Buzz Bar
77th
Fractions
33rd
Happy Numbers
59th
Happy Numbers (Long)
30th
Leap Years
86th
Leyland Numbers
29th
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
54th
Pangram Grep
57th
Pascal’s Triangle
49th
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