12 Days of Christmas
18th
24 Game
8th
99 Bottles of Beer
37th
Abundant Numbers
16th
Abundant Numbers (Long)
35th
Arabic to Roman
9th
Arrows
16th
ASCII Table
34th
brainfuck
11th
Catalan Numbers
35th
Catalan’s Constant
13th
Christmas Trees
36th
Collatz
1st
CSS Colors
63rd
Cubes
12th
Day of Week
1st
Diamonds
20th
Divisors
18th
Emirp Numbers
27th
Emirp Numbers (Long)
17th
Emojify
Evil Numbers
33rd
Evil Numbers (Long)
44th
Fibonacci
26th
Fizz Buzz
1st
Foo Fizz Buzz Bar
23rd
Fractions
13th
Happy Numbers
29th
Happy Numbers (Long)
29th
Intersection
14th
Inventory Sequence
19th
ISBN
15th
Kolakoski Constant
15th
Kolakoski Sequence
13th
Leap Years
65th
Leyland Numbers
33rd
ln 2
17th
Look and Say
29th
Lucky Numbers
16th
Morse Decoder
20th
Morse Encoder
13th
Niven Numbers
50th
Niven Numbers (Long)
43rd
Number Spiral
11th
Odious Numbers
34th
Odious Numbers (Long)
43rd
Ordinal Numbers
6th
Pangram Grep
14th
Pascal’s Triangle
20th
Pernicious Numbers
54th
Pernicious Numbers (Long)
21st
Poker
5th
Prime Numbers
25th
Prime Numbers (Long)
21st
Quine
15th
Recamán
30th
Rijndael S-box
8th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
20th
Rule 110
10th
Seven Segment
13th
Sierpiński Triangle
25th
Smith Numbers
12th
Spelling Numbers
11th
Ten-pin Bowling
14th
Time Distance
10th
Tongue-twisters
42nd
United States
Vampire Numbers
15th
Van Eck Sequence
21st
Zodiac Signs
8th
γ
10th
λ
14th
π
31st
τ
18th
φ
22nd
√2
21st
𝑒
23rd