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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
dokutan
355
3 Nov 2024
Kolakoski Sequence
mousetail
98
3 Oct 2024
Kolakoski Sequence
Mabeloid
2,020
21 Sep 2024
Kolakoski Sequence
lynn
87
7 Jul 2024
Kolakoski Sequence
wuzekai518
143
18 Jun 2024
Kolakoski Sequence
sreyfe
119
9 Jun 2024
Kolakoski Sequence
HumanoidCPU
2,020
17 Apr 2024
Kolakoski Sequence
77Tigers
114
9 Apr 2024
Kolakoski Sequence
klixel
168
23 Nov 2023
Kolakoski Sequence
elgan65536
106
26 Oct 2023
Kolakoski Sequence
stefangimmillaro
🥉
84
18 Sep 2023
Kolakoski Sequence
msbranicky
145
18 Sep 2023
Kolakoski Sequence
Lydxn
🥇
83
28 Jul 2023
Kolakoski Sequence
ovs-code
🥉
84
23 Jun 2023
Kolakoski Sequence
retrohun
2,020
27 Dec 2022
Kolakoski Sequence
Omega65536
103
24 Nov 2022
Kolakoski Sequence
JayXon
🥇
83
8 Nov 2022
Kolakoski Sequence
ian-h-chamberlain
145
30 Sep 2022
Kolakoski Sequence
codename68
123
13 Aug 2022
Kolakoski Sequence
KatieLG-Transpiler
2,023
24 Jun 2022
Kolakoski Sequence
mokymok
2,020
10 Nov 2021
Kolakoski Sequence
MeWhenI
765
30 Jul 2021
Kolakoski Sequence
tnecio
152
18 Jul 2021
Kolakoski Sequence
Bubbler-4
89
1 Jul 2021
Kolakoski Sequence
kumavale
115
3 May 2021
Kolakoski Sequence
btjones0
87
26 Jan 2021
Kolakoski Sequence
Shanethegamer
94
25 Jan 2021
Kolakoski Sequence
sisyphus-ppcg
89
25 Jan 2021
Kolakoski Sequence
KatieLG
2,020
17 Jan 2021