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 721st janbehrens 🇩🇪 756 93 464ms 24 Mar 2022 722nd Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 722nd emgordon154 754 63 4ms 25 Aug 2024 724th olivermrose 🇺🇸 753 56 41ms 21 Sep 2021 725th RockOfStone 753 81 3ms 4 Nov 2021 725th dokutan 753 81 2ms 18 Jul 2025 727th lynn 753 85 1,383ms 12 Sep 2021 728th sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 729th ScottHamper 752 62 10ms 1 Jun 2021 729th helbling 🇨🇭 752 62 11ms 2 Oct 2024 731st Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 732nd Mabeloid 🇳🇴 750 64 500ms 17 Sep 2024 733rd msbranicky 750 67 15ms 21 Aug 2023 733rd JOrE20 750 67 11ms 6 days ago 735th cipharius 750 87 198ms 19 Jan 2021 736th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 737th ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 738th arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 739th GolfingSuccess 🇬🇷 743 33 63ms 22 Jul 2022 740th kg583 🇺🇸 741 85 40ms 13 Feb 2025 741st SirBogman 🇺🇸 741 139 2ms 21 Dec 2021 742nd jared-hughes 740 57 40ms 9 Sep 2022 743rd olivermrose 🇺🇸 740 63 10ms 21 Sep 2021 743rd GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 745th janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 746th DialFrost 🇸🇬 740 99 1,087ms 8 Mar 2024 747th Stockoh 🇫🇷 739 68 41ms 25 Dec 2021 747th Bonjour27891 🇻🇳 739 68 38ms 1 Sep 2022 747th trist224 🇫🇷 739 68 37ms 18 Oct 2022 747th mousetail 🇳🇱 739 68 38ms 11 Aug 2023 747th Command-Master 739 68 40ms 24 Sep 2023 747th firegene 🇮🇪 739 68 36ms 12 Oct 2024 747th pengu1n-master 739 68 11ms 2 mins ago 754th AlephSquirrel 739 99 10ms 18 Jan 2025 754th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 756th DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 757th Yewzir 🇧🇪 735 62 1,015ms 16 Nov 2025 758th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 759th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 759th annaproxy 733 89 148ms 17 Aug 2022 759th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 759th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 763rd Omega65536 🇩🇪 733 103 133ms 24 Nov 2022 764th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 765th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 766th CaedenHarper 🇨🇦 731 84 450ms 17 Oct 2025 767th Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 768th Shanethegamer 🇺🇸 730 88 146ms 15 Oct 2022 769th dvik72 728 64 9ms 1 Jun 2022 769th AlephSquirrel 728 64 11ms 16 Feb 2023 771st abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 771st Anonymousellama21 728 69 12ms 15 May 2022 771st TaserTheFox 🇺🇸 728 69 38ms 16 Feb 2023 774th annaproxy 727 58 40ms 24 Oct 2023 775th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 776th Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 777th elgan65536 🇺🇸 726 104 162ms 3 days ago 778th dokutan 726 118 25ms 18 Jul 2025 779th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 780th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 781st jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 781st MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 783rd AlephSquirrel 721 34 50ms 30 Dec 2022 784th scpchicken 🇵🇼 719 51 147ms 18 Jan 2023 785th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 786th osmith93 718 70 25ms 14 Jun 2021 786th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 786th mbittner20 718 70 11ms 15 Jul 2024 786th luuumine 🇫🇷 718 70 11ms 20 Oct 2025 790th edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 791st igmcdowell 717 65 10ms 23 Nov 2021 792nd msbranicky 717 67 496ms 17 Jan 2024 793rd MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 794th prplz 🇦🇺 717 91 118ms 25 Jan 2021 795th marshallward 🇺🇸 716 100 41ms 7 May 2025 796th NewDefectus 🇮🇱 715 32 34ms 20 Dec 2021 797th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 798th prplz 🇦🇺 714 52 3ms 5 Feb 2021 799th MarcMush 🇫🇷 714 69 298ms 12 Feb 2024 800th Herbert00709 🇵🇱 713 101 60ms 19 Nov 2024 First Prev 721–800 of 1,918 Next Last