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 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 274th LogicalJoe 881 57 10ms 19 Sep 2022 274th lzahray 881 57 31ms 21 Oct 2022 274th thehylian 881 57 10ms 10 Jan 2023 274th 5cw 🇺🇸 881 57 10ms 10 Apr 2023 274th xsot 🇸🇬 881 57 23ms 26 Apr 2023 274th Rubiksmath 881 57 11ms 14 Aug 2023 274th kg583 🇺🇸 881 57 24ms 26 Sep 2023 274th bzijlema 🇳🇱 881 57 10ms 15 Nov 2023 274th janbehrens 🇩🇪 881 57 10ms 30 Dec 2023 274th mathisfun271 881 57 10ms 4 Feb 2024 274th duckyluuk 🇳🇱 881 57 24ms 6 Feb 2024 274th Yewzir 🇧🇪 881 57 12ms 29 Feb 2024 274th elgan65536 881 57 10ms 4 Apr 2024 274th thienudomsrirungruang 881 57 10ms 27 Apr 2024 274th SirBogman 🇺🇸 881 57 13ms 10 Jun 2024 274th Seek64 🇩🇪 881 57 11ms 19 Jun 2024 274th wuzekai518 881 57 10ms 2 Aug 2024 274th bizy-coder 881 57 31ms 14 Aug 2024 274th jatloe 881 57 10ms 6 Sep 2024 274th 5quiwyrm 881 57 10ms 14 Nov 2024 274th lifthrasiir 🇰🇷 881 57 10ms 15 Nov 2024 274th GolfingSuccess 🇬🇷 881 57 12ms 24 Dec 2024 274th emgordon154 881 57 10ms 23 Apr 2025 274th qpwoeirut 881 57 13ms 11 Aug 2025 274th michaelmgreer 881 57 10ms 9 Oct 2025 274th Babafaba 881 57 12ms 20 days ago 274th CaedenHarper 🇨🇦 881 57 11ms 83 mins ago 328th emplv 🇱🇻 881 97 26ms 27 Jul 2023 329th SirBogman 🇺🇸 880 22 4ms 30 Sep 2022 330th JayXon 🇺🇸 880 73 101ms 15 Oct 2022 330th Steffan153 🇫🇮 880 73 101ms 7 Dec 2022 330th sean-niemann 🇺🇸 880 73 102ms 20 May 2024 333rd tomtheisen 🇺🇸 879 53 9ms 18 Jan 2021 333rd prplz 🇦🇺 879 53 9ms 24 Jan 2021 333rd jakzo 879 53 9ms 5 Sep 2021 333rd ovs-code 🇩🇪 879 53 9ms 5 Oct 2023 333rd dokutan 879 53 9ms 18 Jul 2025 338th Steffan153 🇫🇮 879 54 8ms 18 Aug 2024 339th namelessiw 879 78 551ms 2 Oct 2025 339th Yewzir 🇧🇪 879 78 677ms 2 Oct 2025 341st Steffan153 🇫🇮 878 94 48ms 18 Jan 2023 342nd GrayJoKing 🇦🇺 877 73 41ms 27 Jun 2022 342nd primo-ppcg 🇹🇭 877 73 40ms 28 Jun 2022 344th m-tkach 🇺🇦 877 107 16ms 17 May 2022 345th primo-ppcg 🇹🇭 876 28 43ms 30 Sep 2022 346th saito-ta 🇯🇵 876 55 3ms 26 May 2022 346th nwellnhof 🇩🇪 876 55 3ms 13 May 2023 348th GrayJoKing 🇦🇺 876 63 7ms 31 Jan 2025 349th emplv 🇱🇻 876 100 273ms 18 Jan 2022 349th stefangimmillaro 876 100 318ms 21 Jun 2023 351st namelessiw 875 70 340ms 18 Jul 2025 352nd zacjl 875 72 41ms 13 Feb 2025 353rd primo-ppcg 🇹🇭 875 78 4ms 2 May 2023 354th Steffan153 🇫🇮 874 89 106ms 18 Aug 2024 355th Lydxn 🇨🇦 873 55 392ms 16 Jan 2024 355th m-tkach 🇺🇦 873 55 374ms 20 Jan 2024 355th JayXon 🇺🇸 873 55 346ms 21 Jan 2024 355th sean-niemann 🇺🇸 873 55 385ms 26 Jan 2025 359th stefangimmillaro 873 82 39ms 26 Apr 2025 360th JayXon 🇺🇸 872 57 108ms 1 May 2023 360th primo-ppcg 🇹🇭 872 57 119ms 1 May 2023 362nd jared-hughes 872 126 15ms 7 Jul 2024 363rd JayXon 🇺🇸 872 127 1,725ms 22 Apr 2024 364th Irratix 🇳🇱 871 62 2ms 20 Dec 2021 364th ovs-code 🇩🇪 871 62 2ms 8 May 2023 364th sean-niemann 🇺🇸 871 62 2ms 18 Dec 2023 367th ovs-code 🇩🇪 868 81 468ms 15 Jun 2024 367th DialFrost 🇸🇬 868 81 365ms 7 Nov 2025 369th btjones0 868 87 188ms 26 Jan 2021 369th lynn 868 87 135ms 7 Jul 2024 371st Irratix 🇳🇱 867 83 57ms 3 Jan 2022 371st ovs-code 🇩🇪 867 83 53ms 3 Jun 2024 371st DialFrost 🇸🇬 867 83 53ms 7 Nov 2025 374th Espiobest 866 58 10ms 13 Mar 2021 374th MaxElf999 866 58 10ms 3 Oct 2022 First Prev 301–375 of 1,881 Next Last