12 Days of Christmas
21st
24 Game
13th
99 Bottles of Beer
27th
Abundant Numbers
19th
Abundant Numbers (Long)
19th
Arabic to Roman
38th
Arithmetic Numbers
21st
Arrows
30th
Ascending Primes
20th
ASCII Table
32nd
Billiards
12th
brainfuck
24th
Card Number Validation
20th
Catalan Numbers
40th
Catalan’s Constant
20th
Christmas Trees
72nd
Collatz
37th
CSS Colors
3rd
Cubes
30th
Day of Week
82nd
20th
DFA Simulator
15th
Diamonds
42nd
21st
Divisors
39th
Emirp Numbers
33rd
Emirp Numbers (Long)
18th
Emojify
19th
Evil Numbers
70th
Evil Numbers (Long)
43rd
Factorial Factorisation
17th
Farey Sequence
23rd
Fibonacci
7th
Fizz Buzz
1st
Foo Fizz Buzz Bar
16th
Forsyth–Edwards Notation
23rd
Fractions
1st
Game of Life
11th
Gijswijt’s Sequence
22nd
Happy Numbers
33rd
Happy Numbers (Long)
47th
Hexdump
23rd
Intersection
29th
Inventory Sequence
28th
ISBN
26th
Jacobi Symbol
19th
Kaprekar Numbers
16th
Kolakoski Constant
29th
Kolakoski Sequence
38th
Leap Years
29th
Levenshtein Distance
1st
Leyland Numbers
25th
ln 2
19th
Look and Say
41st
Lucky Numbers
25th
Lucky Tickets
23rd
Mahjong
10th
Mandelbrot
14th
Maze
16th
Medal Tally
12th
Morse Decoder
20th
Morse Encoder
23rd
Musical Chords
16th
N Queens
9th
Niven Numbers
41st
Niven Numbers (Long)
1st
Number Spiral
19th
Odious Numbers
59th
Odious Numbers (Long)
36th
Ordinal Numbers
19th
PalindromemordnilaP
17th
Pangram Grep
5th
Partition Numbers
5th17th
Pascal’s Triangle
72nd
Pernicious Numbers
48th
Pernicious Numbers (Long)
31st
Poker
16th
Polyominoes
10th
Prime Numbers
23rd
Prime Numbers (Long)
1st
Proximity Grid
17th
QR Decoder
10th
Quine
1st
Recamán
36th
Repeating Decimals
19th
Reverse Polish Notation
13th
Reversi
17th
Rijndael S-box
18th
Rock-paper-scissors-Spock-lizard
35th
Roman to Arabic
42nd
ROT13
6th1st8th1st1st2nd
Rule 110
40th
Scrambled Sort
3rd
Set
12th
Seven Segment
15th
SI Units
11th
Sierpiński Triangle
29th
Smith Numbers
26th
Spelling Numbers
16th
Star Wars GPT
12th
Star Wars Opening Crawl
22nd
Sudoku
18th
Sudoku (Fill-in)
19th
Ten-pin Bowling
24th
Tic-tac-toe
22nd
Time Distance
17th
Tongue-twisters
33rd
Topological Sort
12th
Transpose Sentence
23rd
United States
20th
Vampire Numbers
29th
Van Eck Sequence
27th
Zeckendorf Representation
15th
Zodiac Signs
16th
γ
12th
λ
15th
π
26th
τ
25th
φ
36th
√2
31st
𝑒
26th