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 721st rucin93 🇵🇱 766 60 143ms 9 Aug 2024 722nd retrohun 766 63 102ms 23 Jan 2023 723rd Shanethegamer 🇺🇸 766 65 147ms 22 May 2021 724th MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 725th Waffle3z 764 61 10ms 20 Jan 2021 725th didion0 🇺🇸 764 61 12ms 9 Feb 2021 725th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 725th tayloia 🇬🇧 764 61 10ms 29 May 2022 729th albanian-laundromat 🇺🇸 763 60 1,006ms 1 Oct 2025 730th ScottHamper 762 90 502ms 30 Nov 2025 731st kcinnu 🇱🇹 762 146 1,731ms 17 May 2024 732nd ArmaanAS 761 66 12ms 4 Apr 2021 732nd quimey 761 66 11ms 23 Jun 2023 732nd firegene 🇮🇪 761 66 27ms 24 Feb 2026 735th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 735th strout 760 86 124ms 15 Dec 2023 737th antimon2 🇯🇵 759 65 495ms 19 Jan 2021 738th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 738th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 740th duckyluuk 🇳🇱 759 73 7ms 16 Dec 2024 741st edsrzf 🇳🇿 759 82 9ms 21 days ago 742nd janbehrens 🇩🇪 757 93 460ms 24 Mar 2022 743rd edsrzf 🇳🇿 756 97 37ms 14 days ago 744th Shanethegamer 🇺🇸 755 63 4ms 13 Aug 2024 744th emgordon154 755 63 4ms 25 Aug 2024 746th olivermrose 🇺🇸 754 56 37ms 21 Sep 2021 747th RockOfStone 754 81 2ms 4 Nov 2021 747th dokutan 754 81 2ms 18 Jul 2025 749th lynn 754 85 1,297ms 12 Sep 2021 750th sean-niemann 🇺🇸 753 61 159ms 17 Jun 2025 751st ScottHamper 752 62 12ms 1 Jun 2021 751st helbling 🇨🇭 752 62 12ms 2 Oct 2024 753rd edsrzf 🇳🇿 752 91 7ms 21 days ago 754th Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 755th Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 756th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 757th cipharius 751 87 169ms 19 Jan 2021 758th CaedenHarper 🇨🇦 750 61 1,009ms 11 Feb 2026 759th msbranicky 750 67 15ms 21 Aug 2023 759th Matter1024 🇮🇳 750 67 13ms 12 days ago 761st CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 762nd arctouch-cristiannevianna 749 82 389ms 22 Nov 2023 763rd emgordon154 748 115 27ms 12 days ago 764th GolfingSuccess 🇬🇷 745 33 49ms 22 Jul 2022 765th kg583 🇺🇸 743 85 40ms 13 Feb 2025 766th DialFrost 🇸🇬 742 99 1,084ms 8 Mar 2024 767th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 768th jared-hughes 741 57 37ms 9 Sep 2022 769th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 770th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 770th GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 772nd AlephSquirrel 740 99 10ms 18 Jan 2025 773rd DialFrost 🇸🇬 739 49 276ms 25 Jun 2024 774th Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 774th Bonjour27891 🇻🇳 739 68 39ms 1 Sep 2022 774th trist224 🇫🇷 739 68 49ms 18 Oct 2022 774th mousetail 🇳🇱 739 68 33ms 11 Aug 2023 774th Command-Master 739 68 39ms 24 Sep 2023 774th madex 🇩🇪 739 68 26ms 5 days ago 780th Yewzir 🇧🇪 738 62 1,121ms 16 Nov 2025 781st MeWhenI 🇻🇦 736 93 4ms 22 May 2023 782nd Omega65536 🇩🇪 736 103 145ms 24 Nov 2022 783rd primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 784th guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 784th annaproxy 734 89 148ms 17 Aug 2022 784th Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 784th snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 788th Steffan153 🇫🇮 732 51 82ms 18 Dec 2022 789th ovs-code 🇩🇪 731 49 171ms 2 Jan 2024 790th Shanethegamer 🇺🇸 731 74 2ms 18 May 2022 791st CaedenHarper 🇨🇦 731 84 392ms 17 Oct 2025 792nd Shanethegamer 🇺🇸 731 88 108ms 15 Oct 2022 793rd dvik72 729 64 11ms 1 Jun 2022 793rd AlephSquirrel 729 64 11ms 16 Feb 2023 795th elgan65536 🇺🇸 729 104 162ms 7 Feb 2026 796th dokutan 729 118 25ms 18 Jul 2025 797th annaproxy 728 58 40ms 24 Oct 2023 798th abailey2020 🇺🇸 728 69 12ms 19 Feb 2021 798th Anonymousellama21 728 69 11ms 15 May 2022 798th TaserTheFox 🇺🇸 728 69 49ms 16 Feb 2023 First Prev 721–800 of 2,019 Next Last