12 Days of Christmas
18th
24 Game
8th
99 Bottles of Beer
35th
Abundant Numbers
15th
Abundant Numbers (Long)
33rd
Arabic to Roman
8th
Arrows
14th
ASCII Table
33rd
brainfuck
11th
Catalan Numbers
34th
Catalan’s Constant
13th
Christmas Trees
35th
Collatz
1st
CSS Colors
59th
Cubes
12th
Day of Week
1st
Diamonds
18th
Divisors
17th
Emirp Numbers
25th
Emirp Numbers (Long)
15th
Emojify
Evil Numbers
31st
Evil Numbers (Long)
42nd
Fibonacci
25th
Fizz Buzz
1st
Foo Fizz Buzz Bar
22nd
Fractions
12th
Happy Numbers
28th
Happy Numbers (Long)
27th
Intersection
12th
Inventory Sequence
19th
ISBN
14th
Kolakoski Constant
14th
Kolakoski Sequence
13th
Leap Years
58th
Leyland Numbers
32nd
ln 2
16th
Look and Say
28th
Lucky Numbers
17th
Morse Decoder
18th
Morse Encoder
13th
Niven Numbers
48th
Niven Numbers (Long)
41st
Number Spiral
10th
Odious Numbers
32nd
Odious Numbers (Long)
41st
Ordinal Numbers
5th
Pangram Grep
13th
Pascal’s Triangle
19th
Pernicious Numbers
50th
Pernicious Numbers (Long)
20th
Poker
6th
Prime Numbers
23rd
Prime Numbers (Long)
18th
Quine
14th
Recamán
29th
Rijndael S-box
7th
Rock-paper-scissors-Spock-lizard
9th
Roman to Arabic
18th
Rule 110
9th
Seven Segment
12th
Sierpiński Triangle
24th
Smith Numbers
11th
Spelling Numbers
10th
Ten-pin Bowling
14th
Time Distance
9th
Tongue-twisters
40th
United States
Vampire Numbers
13th
Van Eck Sequence
19th
Zodiac Signs
8th
γ
10th
λ
12th
π
28th
τ
15th
φ
18th
√2
17th
𝑒
19th