12 Days of Christmas
65th
99 Bottles of Beer
47th
Abundant Numbers
63rd
Abundant Numbers (Long)
48th
Arabic to Roman
55th
Arrows
38th
ASCII Table
56th
Christmas Trees
61st
Collatz
73rd
Divisors
107th
Emirp Numbers
45th
Emirp Numbers (Long)
27th
Evil Numbers
96th
Evil Numbers (Long)
68th
Fibonacci
199th
Fizz Buzz
187th
Foo Fizz Buzz Bar
94th
Fractions
40th
Happy Numbers
72nd
Happy Numbers (Long)
38th
Leap Years
106th
Leyland Numbers
35th
Lucky Numbers
19th
Morse Encoder
30th
Niven Numbers
57th
Niven Numbers (Long)
54th
Number Spiral
42nd
Odious Numbers
87th
Odious Numbers (Long)
59th
Ordinal Numbers
65th
Pangram Grep
68th
Pascal’s Triangle
59th
Pernicious Numbers
71st
Pernicious Numbers (Long)
36th
Prime Numbers
40th
Prime Numbers (Long)
32nd
Recamán
44th
Reverse Polish Notation
29th
Rule 110
32nd
Tongue-twisters
47th
United States
37th