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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 lukegustafson 🇺🇸 867 53 154ms 17 Jun 2025 402nd Espiobest 866 58 11ms 13 Mar 2021 402nd MaxElf999 866 58 11ms 3 Oct 2022 402nd Shanethegamer 🇺🇸 866 58 30ms 18 Jan 2023 402nd Alex-x90 🇺🇸 866 58 31ms 23 Mar 2023 402nd neel11235813 866 58 31ms 24 Mar 2023 402nd Natanaelel 🇸🇪 866 58 12ms 11 Apr 2023 402nd InigoK 🇺🇸 866 58 32ms 28 May 2023 402nd jmerle 🇳🇱 866 58 30ms 3 Jul 2023 402nd ndren 866 58 29ms 4 Aug 2023 402nd FlorianCassayre 🇫🇷 866 58 21ms 13 Sep 2023 402nd Kacarott 🇦🇺 866 58 36ms 13 Oct 2023 402nd m42km 866 58 32ms 25 Nov 2023 402nd NickTheEASDude 🇺🇸 866 58 31ms 1 Jul 2024 402nd namelessiw 866 58 31ms 27 Jul 2024 402nd croc54 866 58 30ms 9 Jan 2025 402nd andrewjc2000 866 58 30ms 11 Mar 2025 402nd Mukundan314 866 58 34ms 27 Apr 2025 402nd fkantelberg 866 58 21ms 12 Jul 2025 402nd wuduculfre 866 58 31ms 22 Jul 2025 402nd HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 402nd CornerMercury 🇬🇧 866 58 32ms 24 Nov 2025 402nd snoozingnewt 🇨🇦 866 58 20ms 1 Dec 2025 424th janbehrens 🇩🇪 865 43 3ms 18 Jan 2021 425th Shanethegamer 🇺🇸 865 53 1,258ms 23 May 2021 425th MeWhenI 🇻🇦 865 53 1,291ms 16 Mar 2022 425th edsrzf 🇳🇿 865 53 1,868ms 31 Aug 2025 425th DialFrost 🇸🇬 865 53 1,059ms 1 Sep 2025 425th xsot 🇸🇬 865 53 1,087ms 21 Dec 2025 430th DialFrost 🇸🇬 865 76 3ms 14 Sep 2024 431st blaztoma 🇱🇹 864 46 6ms 11 Mar 2026 432nd DaCuteRaccoon 864 54 13ms 9 Dec 2022 433rd bitsandbeyond 🇳🇱 863 42 237ms 27 Oct 2025 434th error256 863 72 62ms 11 Dec 2025 435th FortuiteMan 🇫🇷 863 84 12ms 16 Jan 2026 436th primo-ppcg 🇹🇭 862 49 47ms 18 Jan 2022 437th sisyphus-ppcg 🇦🇺 862 56 2ms 12 Jul 2022 438th frosster 🇨🇦 862 71 2ms 27 Jan 2026 439th GrayJoKing 🇦🇺 862 96 32ms 18 Jan 2023 439th lynn 862 96 39ms 6 Aug 2023 441st Lydxn 🇨🇦 862 100 25ms 13 Oct 2023 442nd GrayJoKing 🇦🇺 861 79 7ms 7 Mar 2026 442nd emgordon154 861 79 12ms 8 Mar 2026 444th primo-ppcg 🇹🇭 860 195 11ms 2 Aug 2023 445th DialFrost 🇸🇬 859 56 487ms 15 Jan 2024 445th duckyluuk 🇳🇱 859 56 485ms 27 Mar 2024 447th Steffan153 🇫🇮 859 63 2ms 23 Mar 2023 447th stefangimmillaro 859 63 2ms 18 Sep 2023 447th xsot 🇸🇬 859 63 2ms 6 May 2025 447th KasperKivimaeki 🇫🇮 859 63 2ms 14 Aug 2025 451st sean-niemann 🇺🇸 859 80 98ms 21 Sep 2023 451st Yewzir 🇧🇪 859 80 99ms 16 Nov 2023 453rd jared-hughes 859 84 58ms 31 Jul 2022 453rd inventshah 859 84 57ms 17 Nov 2022 455th MeWhenI 🇻🇦 858 80 473ms 7 Nov 2025 456th snoozingnewt 🇨🇦 858 102 108ms 5 Dec 2025 457th primo-ppcg 🇹🇭 857 78 124ms 27 Mar 2021 457th Shanethegamer 🇺🇸 857 78 126ms 18 Mar 2023 457th Ripick 857 78 123ms 2 Jun 2025 460th MeWhenI 🇻🇦 856 84 40ms 29 Apr 2025 461st Lydxn 🇨🇦 855 63 2ms 15 Jan 2024 461st JayXon 🇺🇸 855 63 2ms 29 Jan 2024 461st rucin93 🇵🇱 855 63 2ms 19 Nov 2025 464th ovs-code 🇩🇪 855 138 1,434ms 17 Feb 2025 465th Shanethegamer 🇺🇸 854 67 2,367ms 27 Oct 2024 466th MeWhenI 🇻🇦 854 72 358ms 21 Nov 2021 467th albanian-laundromat 🇺🇸 854 77 9ms 22 Oct 2025 468th GolfingSuccess 🇬🇷 853 106 4ms 7 days ago 469th marcin7Cd 852 59 12ms 16 Jan 2021 469th rak1507 🇬🇧 852 59 13ms 20 Jan 2021 469th AlephSquirrel 852 59 12ms 13 May 2021 469th rschwa6308 🇺🇸 852 59 11ms 28 Jun 2021 469th NewDefectus 🇮🇱 852 59 13ms 25 Oct 2021 469th jacksonhenry3 852 59 13ms 21 Dec 2021 469th NicoAdams 852 59 13ms 21 Dec 2021 469th aksyristos 852 59 16ms 28 Feb 2023 469th BREMAUCY 🇫🇷 852 59 11ms 27 Apr 2023 469th 2011-Chan-Ethan 852 59 12ms 17 Jul 2023 469th MarcMush 🇫🇷 852 59 11ms 12 Feb 2024 469th albanian-laundromat 🇺🇸 852 59 14ms 13 Apr 2025 First Prev 401–480 of 2,054 Next Last