12 Days of Christmas
18th
24 Game
8th
99 Bottles of Beer
33rd
Abundant Numbers
15th
Abundant Numbers (Long)
31st
Arabic to Roman
8th
Arrows
14th
ASCII Table
30th
brainfuck
11th
Catalan Numbers
28th
Catalan’s Constant
13th
Christmas Trees
34th
Collatz
1st
CSS Colors
56th
Cubes
12th
Day of Week
1st
Diamonds
16th
Divisors
15th
Emirp Numbers
24th
Emirp Numbers (Long)
15th
Emojify
Evil Numbers
29th
Evil Numbers (Long)
40th
Fibonacci
23rd
Fizz Buzz
1st
Foo Fizz Buzz Bar
20th
Fractions
12th
Happy Numbers
26th
Happy Numbers (Long)
25th
Intersection
12th
Inventory Sequence
16th
ISBN
14th
Kolakoski Constant
14th
Kolakoski Sequence
13th
Leap Years
53rd
Leyland Numbers
29th
ln 2
16th
Look and Say
25th
Lucky Numbers
15th
Morse Decoder
18th
Morse Encoder
12th
Niven Numbers
44th
Niven Numbers (Long)
39th
Number Spiral
9th
Odious Numbers
29th
Odious Numbers (Long)
38th
Ordinal Numbers
5th
Pangram Grep
13th
Pascal’s Triangle
17th
Pernicious Numbers
45th
Pernicious Numbers (Long)
17th
Poker
6th
Prime Numbers
19th
Prime Numbers (Long)
15th
Quine
13th
Recamán
26th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
17th
Rule 110
9th
Seven Segment
12th
Sierpiński Triangle
24th
Smith Numbers
10th
Spelling Numbers
10th
Ten-pin Bowling
14th
Time Distance
9th
Tongue-twisters
40th
United States
Vampire Numbers
13th
Van Eck Sequence
17th
Zodiac Signs
8th
γ
10th
λ
12th
π
26th
τ
15th
φ
17th
√2
17th
𝑒
18th