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12 Days of Christmas
24 Game
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Billiards
brainfuck
Card Number Validation
Catalan Numbers
Catalan’s Constant
Christmas Trees
Collatz
CSS Colors
Cubes
Day of Week
DFA Simulator
Diamonds
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Factorial Factorisation
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Forsyth–Edwards Notation
Fractions
Game of Life
Gijswijt’s Sequence
Happy Numbers
Happy Numbers (Long)
Hexdump
Intersection
Inventory Sequence
ISBN
Jacobi Symbol
Kaprekar Numbers
Kolakoski Constant
Kolakoski Sequence
Leap Years
Levenshtein Distance
Leyland Numbers
ln 2
Look and Say
Lucky Numbers
Lucky Tickets
Mahjong
Maze
Medal Tally
Morse Decoder
Morse Encoder
Musical Chords
N Queens
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
PalindromemordnilaP
Pangram Grep
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Poker
Polyominoes
Prime Numbers
Prime Numbers (Long)
Proximity Grid
QR Decoder
Quine
Recamán
Repeating Decimals
Reverse Polish Notation
Reversi
Rijndael S-box
Rock-paper-scissors-Spock-lizard
Roman to Arabic
Rule 110
Seven Segment
SI Units
Sierpiński Triangle
Smith Numbers
Spelling Numbers
Star Wars Opening Crawl
Sudoku
Sudoku (Fill-in)
Ten-pin Bowling
Time Distance
Tongue-twisters
Transpose Sentence
United States
Vampire Numbers
Van Eck Sequence
Zeckendorf Representation
Zodiac Signs
γ
λ
π
τ
φ
√2
𝑒
Hole
Golfer
Bytes
Submitted
Kolakoski Sequence
mousetail
52
22 Oct 2024
Kolakoski Sequence
Mabeloid
2,004
21 Sep 2024
Kolakoski Sequence
trinityy-7
36
17 Mar 2024
Kolakoski Sequence
dokutan
1,009
16 Nov 2023
Kolakoski Sequence
adamnielson42
64
30 Aug 2023
Kolakoski Sequence
Lydxn
🥇
20
5 Aug 2023
Kolakoski Sequence
MeWhenI
21
26 Jul 2023
Kolakoski Sequence
retrohun
2,004
26 Dec 2022
Kolakoski Sequence
SirBogman
22
30 Sep 2022
Kolakoski Sequence
Natanaelel
83
23 Aug 2022
Kolakoski Sequence
KatieLG-Transpiler
2,004
24 Jun 2022
Kolakoski Sequence
NewDefectus
25
25 Oct 2021
Kolakoski Sequence
KatieLG
1,009
23 May 2021
Kolakoski Sequence
Dazza314
24
16 Apr 2021
Kolakoski Sequence
HPWiz
🥇
20
25 Jan 2021
Kolakoski Sequence
primo-ppcg
21
19 Jan 2021
Kolakoski Sequence
GrayJoKing
🥇
20
19 Jan 2021
Kolakoski Sequence
o0lit3
21
19 Jan 2021
Kolakoski Sequence
Omega65536
1,015
17 Jan 2021