12 Days of Christmas
27th
99 Bottles of Beer
24th
Abundant Numbers
32nd929th
Abundant Numbers (Long)
19th
Arithmetic Numbers
14th
ASCII Table
8th
Catalan Numbers
31st
Catalan’s Constant
13th
Christmas Trees
27th
Collatz
27th587th
CSS Colors
19th
Cubes
10th
Day of Week
1st
Diamonds
27th
Divisors
57th655th
Emirp Numbers
39th
Emojify
19th
Evil Numbers
42nd
Evil Numbers (Long)
27th
Farey Sequence
10th
Fibonacci
39th197th
Fizz Buzz
1st922nd61st
Foo Fizz Buzz Bar
4th375th
Fractions
20th
Happy Numbers
32nd
Happy Numbers (Long)
18th
Intersection
15th
Kolakoski Constant
14th
Kolakoski Sequence
22nd
Leap Years
1st
Leyland Numbers
25th
Look and Say
15th
Lucky Numbers
9th
Morse Decoder
12th
Niven Numbers
33rd
Niven Numbers (Long)
3rd
Number Spiral
9th
Odious Numbers
37th
Odious Numbers (Long)
25th
Ordinal Numbers
26th
Pangram Grep
29th
Pascal’s Triangle
26th
Pernicious Numbers
56th
Prime Numbers
57th
Prime Numbers (Long)
29th
Quine
1st
Recamán
19th
Rijndael S-box
19th
Rock-paper-scissors-Spock-lizard
13th
Roman to Arabic
21st
Seven Segment
25th
Sierpiński Triangle
23rd
Sudoku
6th
Tongue-twisters
27th
United States
17th341st
Vampire Numbers
13th
π
36th
τ
19th