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Kolakoski Sequence in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve 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 Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Multitap Input Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers 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 ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 401st stefangimmillaro 868 79 99ms 21 Jun 2023 402nd Irratix 🇳🇱 868 83 62ms 3 Jan 2022 402nd ovs-code 🇩🇪 868 83 55ms 3 Jun 2024 402nd DialFrost 🇸🇬 868 83 59ms 7 Nov 2025 405th lukegustafson 🇺🇸 867 53 131ms 17 Jun 2025 406th Espiobest 866 58 11ms 13 Mar 2021 406th MaxElf999 866 58 11ms 3 Oct 2022 406th Shanethegamer 🇺🇸 866 58 30ms 18 Jan 2023 406th Alex-x90 🇺🇸 866 58 31ms 23 Mar 2023 406th neel11235813 866 58 31ms 24 Mar 2023 406th Natanaelel 🇸🇪 866 58 12ms 11 Apr 2023 406th InigoK 🇺🇸 866 58 32ms 28 May 2023 406th jmerle 🇳🇱 866 58 30ms 3 Jul 2023 406th ndren 866 58 29ms 4 Aug 2023 406th FlorianCassayre 🇫🇷 866 58 21ms 13 Sep 2023 406th Kacarott 🇦🇺 866 58 36ms 13 Oct 2023 406th m42km 866 58 32ms 25 Nov 2023 406th NickTheEASDude 🇺🇸 866 58 31ms 1 Jul 2024 406th namelessiw 866 58 31ms 27 Jul 2024 406th croc54 866 58 30ms 9 Jan 2025 406th andrewjc2000 866 58 30ms 11 Mar 2025 406th Mukundan314 866 58 34ms 27 Apr 2025 406th fkantelberg 866 58 21ms 12 Jul 2025 406th wuduculfre 866 58 31ms 22 Jul 2025 406th HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 406th CornerMercury 🇬🇧 866 58 32ms 24 Nov 2025 406th snoozingnewt 🇨🇦 866 58 20ms 1 Dec 2025 428th JayXon 🇺🇸 866 131 1,687ms 13 days ago 429th Shanethegamer 🇺🇸 865 53 1,372ms 23 May 2021 429th MeWhenI 🇻🇦 865 53 1,549ms 16 Mar 2022 431st DialFrost 🇸🇬 865 76 3ms 14 Sep 2024 432nd janbehrens 🇩🇪 864 43 3ms 18 Jan 2021 433rd DaCuteRaccoon 864 54 10ms 9 Dec 2022 434th blaztoma 🇱🇹 863 46 6ms 11 Mar 2026 435th edsrzf 🇳🇿 863 53 834ms 31 Aug 2025 435th DialFrost 🇸🇬 863 53 794ms 1 Sep 2025 435th xsot 🇸🇬 863 53 821ms 21 Dec 2025 438th error256 863 72 62ms 11 Dec 2025 439th FortuiteMan 🇫🇷 863 84 13ms 16 Jan 2026 440th edsrzf 🇳🇿 863 96 102ms 6 days ago 441st bitsandbeyond 🇳🇱 862 42 276ms 27 Oct 2025 442nd primo-ppcg 🇹🇭 862 49 48ms 18 Jan 2022 443rd sisyphus-ppcg 🇦🇺 862 56 2ms 12 Jul 2022 444th GrayJoKing 🇦🇺 862 96 32ms 18 Jan 2023 444th lynn 862 96 39ms 6 Aug 2023 446th frosster 🇨🇦 861 71 2ms 27 Jan 2026 447th GrayJoKing 🇦🇺 861 79 13ms 7 Mar 2026 447th emgordon154 861 79 12ms 8 Mar 2026 449th Lydxn 🇨🇦 860 100 25ms 13 Oct 2023 450th primo-ppcg 🇹🇭 860 195 11ms 2 Aug 2023 451st Steffan153 🇫🇮 859 63 2ms 23 Mar 2023 451st stefangimmillaro 859 63 2ms 18 Sep 2023 451st xsot 🇸🇬 859 63 2ms 6 May 2025 451st KasperKivimaeki 🇫🇮 859 63 2ms 14 Aug 2025 455th DialFrost 🇸🇬 859 132 1,636ms 13 days ago 456th DialFrost 🇸🇬 858 56 487ms 15 Jan 2024 456th duckyluuk 🇳🇱 858 56 485ms 27 Mar 2024 458th MeWhenI 🇻🇦 858 80 478ms 7 Nov 2025 459th jared-hughes 858 84 59ms 31 Jul 2022 459th inventshah 858 84 64ms 17 Nov 2022 461st primo-ppcg 🇹🇭 857 78 134ms 27 Mar 2021 461st Shanethegamer 🇺🇸 857 78 137ms 18 Mar 2023 461st Ripick 857 78 134ms 2 Jun 2025 464th sean-niemann 🇺🇸 857 80 103ms 21 Sep 2023 464th Yewzir 🇧🇪 857 80 102ms 16 Nov 2023 466th Lydxn 🇨🇦 855 63 2ms 15 Jan 2024 466th JayXon 🇺🇸 855 63 2ms 29 Jan 2024 466th rucin93 🇵🇱 855 63 2ms 19 Nov 2025 469th MeWhenI 🇻🇦 855 65 7ms 24 Dec 2024 470th ovs-code 🇩🇪 855 138 1,213ms 17 Feb 2025 471st MeWhenI 🇻🇦 854 84 40ms 29 Apr 2025 472nd snoozingnewt 🇨🇦 854 97 107ms 6 days ago 473rd Shanethegamer 🇺🇸 853 67 2,525ms 27 Oct 2024 474th MeWhenI 🇻🇦 853 72 412ms 21 Nov 2021 475th GolfingSuccess 🇬🇷 853 106 4ms 23 days ago 476th marcin7Cd 852 59 12ms 16 Jan 2021 476th rak1507 🇬🇧 852 59 13ms 20 Jan 2021 476th AlephSquirrel 852 59 12ms 13 May 2021 476th rschwa6308 🇺🇸 852 59 11ms 28 Jun 2021 476th NewDefectus 🇮🇱 852 59 13ms 25 Oct 2021 476th jacksonhenry3 852 59 13ms 21 Dec 2021 476th NicoAdams 852 59 13ms 21 Dec 2021 476th aksyristos 852 59 16ms 28 Feb 2023 476th BREMAUCY 🇫🇷 852 59 11ms 27 Apr 2023 476th 2011-Chan-Ethan 852 59 12ms 17 Jul 2023 476th MarcMush 🇫🇷 852 59 11ms 12 Feb 2024 476th albanian-laundromat 🇺🇸 852 59 14ms 13 Apr 2025 476th plcc0 852 59 13ms 13 Jan 2026 476th CommandLeo 🇮🇹 852 59 12ms 18 Jan 2026 476th pengu1n-master 852 59 12ms 10 Feb 2026 476th retrohun 852 59 11ms 17 days ago 492nd kg583 🇺🇸 852 86 10ms 1 Sep 2025 493rd ovs-code 🇩🇪 851 73 67ms 17 Sep 2023 494th sisyphus-ppcg 🇦🇺 851 89 121ms 25 Jan 2021 494th Bubbler-4 851 89 120ms 1 Jul 2021 496th CatsAreFluffy 849 33 56ms 31 Dec 2022 497th MeWhenI 🇻🇦 848 27 33ms 16 Mar 2022 498th jared-hughes 848 55 10ms 31 Jul 2022 498th emgordon154 848 55 11ms 4 Mar 2025 500th primo-ppcg 🇹🇭 848 85 59ms 18 Jan 2022 First Prev 401–500 of 2,030 Next Last