12 Days of Christmas
17th
24 Game
8th
99 Bottles of Beer
32nd
Abundant Numbers
15th
Abundant Numbers (Long)
31st
Arabic to Roman
7th
Arrows
14th
ASCII Table
30th
brainfuck
11th
Catalan Numbers
27th
Catalan’s Constant
13th
Christmas Trees
34th
Collatz
41st
CSS Colors
55th
Cubes
11th
Day of Week
1st
Diamonds
16th
Divisors
14th
Emirp Numbers
23rd
Emirp Numbers (Long)
15th
Emojify
Evil Numbers
28th
Evil Numbers (Long)
39th
Fibonacci
22nd
Fizz Buzz
1st
Foo Fizz Buzz Bar
20th
Fractions
12th
Happy Numbers
24th
Happy Numbers (Long)
25th
Intersection
12th
Inventory Sequence
16th
ISBN
14th
Kolakoski Constant
14th
Kolakoski Sequence
13th
Leap Years
51st
Leyland Numbers
28th
ln 2
16th
Look and Say
25th
Lucky Numbers
14th
Morse Decoder
18th
Morse Encoder
12th
Niven Numbers
44th
Niven Numbers (Long)
38th
Number Spiral
9th
Odious Numbers
28th
Odious Numbers (Long)
37th
Ordinal Numbers
17th
Pangram Grep
13th
Pascal’s Triangle
17th
Pernicious Numbers
45th
Pernicious Numbers (Long)
17th
Poker
6th
Prime Numbers
18th
Prime Numbers (Long)
14th
Quine
12th
Recamán
26th
Rijndael S-box
6th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
17th
Rule 110
9th
Seven Segment
11th
Sierpiński Triangle
23rd
Smith Numbers
10th
Spelling Numbers
10th
Ten-pin Bowling
13th
Time Distance
9th
Tongue-twisters
40th
United States
Vampire Numbers
13th
Van Eck Sequence
17th
Zodiac Signs
8th
γ
10th
λ
12th
π
25th
τ
15th
φ
17th
√2
17th
𝑒
18th