12 Days of Christmas
130th
24 Game
8th
99 Bottles of Beer
62nd
Abundant Numbers
77th
Abundant Numbers (Long)
32nd
Arabic to Roman
10th
Arithmetic Numbers
20th
Arrows
20th
ASCII Table
37th
Catalan Numbers
29th
Christmas Trees
53rd
Collatz
29th
CSS Colors
28th
Day of Week
1st
Divisors
57th
Emojify
11th
Evil Numbers
38th
Evil Numbers (Long)
26th
Fibonacci
123rd
Fizz Buzz
76th
Foo Fizz Buzz Bar
41st
Happy Numbers
51st
ISBN
21st
Kolakoski Sequence
28th
Leap Years
80th
Leyland Numbers
18th
Look and Say
20th
Lucky Numbers
16th
Niven Numbers
73rd
Number Spiral
19th
Odious Numbers
39th
Odious Numbers (Long)
28th
Ordinal Numbers
42nd
Pangram Grep
31st
Pascal’s Triangle
23rd
Pernicious Numbers
61st
Recamán
19th
Reverse Polish Notation
13th
Rijndael S-box
6th
Roman to Arabic
21st
Rule 110
28th
Spelling Numbers
11th
Tongue-twisters
31st
United States
21st