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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ArkScript 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 ><> 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 720th Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 722nd duckyluuk 🇳🇱 756 73 8ms 16 Dec 2024 723rd janbehrens 🇩🇪 756 93 464ms 24 Mar 2022 724th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 724th emgordon154 754 63 4ms 25 Aug 2024 726th olivermrose 🇺🇸 753 56 41ms 21 Sep 2021 727th RockOfStone 753 81 3ms 4 Nov 2021 727th dokutan 753 81 2ms 18 Jul 2025 729th lynn 753 85 1,383ms 12 Sep 2021 730th sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 731st ScottHamper 752 62 10ms 1 Jun 2021 731st helbling 🇨🇭 752 62 11ms 2 Oct 2024 733rd Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 734th Mabeloid 🇳🇴 750 64 500ms 17 Sep 2024 735th msbranicky 750 67 15ms 21 Aug 2023 735th JOrE20 🇺🇸 750 67 11ms 7 days ago 737th cipharius 750 87 198ms 19 Jan 2021 738th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 739th CaedenHarper 🇨🇦 749 117 259ms 10 hours ago 740th ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 741st arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 742nd CaedenHarper 🇨🇦 747 61 798ms 10 hours ago 743rd GolfingSuccess 🇬🇷 743 33 63ms 22 Jul 2022 744th kg583 🇺🇸 741 85 40ms 13 Feb 2025 745th SirBogman 🇺🇸 741 139 2ms 21 Dec 2021 746th jared-hughes 740 57 40ms 9 Sep 2022 747th olivermrose 🇺🇸 740 63 10ms 21 Sep 2021 747th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 749th janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 750th DialFrost 🇸🇬 740 99 1,087ms 8 Mar 2024 751st Stockoh 🇫🇷 739 68 41ms 25 Dec 2021 751st Bonjour27891 🇻🇳 739 68 38ms 1 Sep 2022 751st trist224 🇫🇷 739 68 37ms 18 Oct 2022 751st mousetail 🇳🇱 739 68 38ms 11 Aug 2023 751st Command-Master 739 68 40ms 24 Sep 2023 751st firegene 🇮🇪 739 68 36ms 12 Oct 2024 757th AlephSquirrel 739 99 10ms 18 Jan 2025 757th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 759th DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 760th Yewzir 🇧🇪 735 62 1,015ms 16 Nov 2025 761st MeWhenI 🇻🇦 734 93 4ms 22 May 2023 762nd guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 762nd annaproxy 733 89 148ms 17 Aug 2022 762nd Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 762nd snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 766th Omega65536 🇩🇪 733 103 133ms 24 Nov 2022 767th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 768th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 769th CaedenHarper 🇨🇦 731 84 450ms 17 Oct 2025 770th Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 771st Shanethegamer 🇺🇸 730 88 146ms 15 Oct 2022 772nd dvik72 728 64 9ms 1 Jun 2022 772nd AlephSquirrel 728 64 11ms 16 Feb 2023 774th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 774th Anonymousellama21 728 69 12ms 15 May 2022 774th TaserTheFox 🇺🇸 728 69 38ms 16 Feb 2023 777th annaproxy 727 58 40ms 24 Oct 2023 778th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 779th Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 780th elgan65536 🇺🇸 726 104 162ms 4 days ago 781st dokutan 726 118 25ms 18 Jul 2025 782nd ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 783rd yzhs 🇩🇪 725 90 117ms 24 Jul 2021 784th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 784th MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 786th AlephSquirrel 721 34 50ms 30 Dec 2022 787th scpchicken 🇵🇼 719 51 147ms 18 Jan 2023 788th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 789th osmith93 718 70 25ms 14 Jun 2021 789th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 789th mbittner20 718 70 11ms 15 Jul 2024 789th luuumine 🇫🇷 718 70 11ms 20 Oct 2025 793rd edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 794th igmcdowell 717 65 10ms 23 Nov 2021 795th msbranicky 717 67 496ms 17 Jan 2024 796th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 797th prplz 🇦🇺 717 91 118ms 25 Jan 2021 798th marshallward 🇺🇸 716 100 41ms 7 May 2025 799th NewDefectus 🇮🇱 715 32 34ms 20 Dec 2021 800th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 First Prev 721–800 of 1,918 Next Last