12 Days of Christmas
60th
99 Bottles of Beer
42nd
Abundant Numbers
57th
Abundant Numbers (Long)
41st
Arabic to Roman
50th
Arrows
35th
ASCII Table
49th
Christmas Trees
57th
Collatz
62nd
Divisors
98th
Emirp Numbers
39th
Emirp Numbers (Long)
21st
Evil Numbers
81st
Evil Numbers (Long)
51st
Fibonacci
170th
Fizz Buzz
177th
Foo Fizz Buzz Bar
82nd
Fractions
34th
Happy Numbers
61st
Happy Numbers (Long)
30th
Leap Years
89th
Leyland Numbers
31st
Lucky Numbers
19th
Morse Encoder
27th
Niven Numbers
50th
Niven Numbers (Long)
42nd
Number Spiral
37th
Odious Numbers
77th
Odious Numbers (Long)
47th
Ordinal Numbers
58th
Pangram Grep
59th
Pascal’s Triangle
51st
Pernicious Numbers
58th
Pernicious Numbers (Long)
28th
Prime Numbers
34th
Prime Numbers (Long)
28th
Recamán
37th
Reverse Polish Notation
27th
Rule 110
29th
Tongue-twisters
40th
United States
33rd