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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 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 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 ArkScript 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 ArkScript 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 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 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 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 721st olivermrose 🇺🇸 753 56 41ms 21 Sep 2021 722nd RockOfStone 753 81 3ms 4 Nov 2021 722nd dokutan 753 81 2ms 18 Jul 2025 724th lynn 753 85 1,383ms 12 Sep 2021 725th sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 726th ScottHamper 752 62 10ms 1 Jun 2021 726th helbling 🇨🇭 752 62 10ms 2 Oct 2024 728th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 729th Mabeloid 🇳🇴 750 64 409ms 17 Sep 2024 730th msbranicky 750 67 15ms 21 Aug 2023 731st cipharius 750 87 198ms 19 Jan 2021 732nd Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 733rd ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 734th arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 735th GolfingSuccess 🇬🇷 743 33 63ms 22 Jul 2022 736th kg583 🇺🇸 741 85 40ms 13 Feb 2025 737th jared-hughes 740 57 40ms 9 Sep 2022 738th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 738th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 740th janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 741st DialFrost 🇸🇬 740 99 1,055ms 8 Mar 2024 742nd SirBogman 🇺🇸 740 139 2ms 21 Dec 2021 743rd Stockoh 🇫🇷 739 68 34ms 25 Dec 2021 743rd Bonjour27891 🇻🇳 739 68 34ms 1 Sep 2022 743rd trist224 🇫🇷 739 68 37ms 18 Oct 2022 743rd mousetail 🇳🇱 739 68 35ms 11 Aug 2023 743rd Command-Master 739 68 39ms 24 Sep 2023 743rd firegene 🇮🇪 739 68 36ms 12 Oct 2024 749th AlephSquirrel 739 99 10ms 18 Jan 2025 749th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 751st DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 752nd Yewzir 🇧🇪 735 62 1,015ms 16 Nov 2025 753rd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 754th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 754th annaproxy 733 89 148ms 17 Aug 2022 754th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 754th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 758th Omega65536 🇩🇪 733 103 133ms 24 Nov 2022 759th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 760th CaedenHarper 🇨🇦 731 84 450ms 17 Oct 2025 761st primo-ppcg 🇹🇭 731 117 25ms 14 Jul 2021 762nd Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 763rd Shanethegamer 🇺🇸 730 88 112ms 15 Oct 2022 764th dvik72 728 64 10ms 1 Jun 2022 764th AlephSquirrel 728 64 10ms 16 Feb 2023 766th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 766th Anonymousellama21 728 69 11ms 15 May 2022 766th TaserTheFox 🇺🇸 728 69 36ms 16 Feb 2023 769th annaproxy 727 58 40ms 24 Oct 2023 770th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 771st Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 772nd ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 773rd yzhs 🇩🇪 725 90 117ms 24 Jul 2021 774th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 774th MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 776th dokutan 724 118 25ms 18 Jul 2025 777th AlephSquirrel 721 34 50ms 30 Dec 2022 778th scpchicken 🇵🇼 719 51 147ms 18 Jan 2023 779th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 780th osmith93 718 70 25ms 14 Jun 2021 780th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 780th mbittner20 718 70 13ms 15 Jul 2024 780th luuumine 🇫🇷 718 70 11ms 20 Oct 2025 784th edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 785th igmcdowell 717 65 10ms 23 Nov 2021 786th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 787th prplz 🇦🇺 717 91 118ms 25 Jan 2021 788th msbranicky 716 67 469ms 17 Jan 2024 789th marshallward 🇺🇸 716 100 41ms 7 May 2025 790th NewDefectus 🇮🇱 715 32 34ms 20 Dec 2021 791st NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 792nd prplz 🇦🇺 714 52 3ms 5 Feb 2021 793rd MarcMush 🇫🇷 714 69 298ms 12 Feb 2024 794th CaedenHarper 🇨🇦 712 64 1,969ms 6 Oct 2025 795th emgordon154 712 80 3,197ms 9 Aug 2025 796th Herbert00709 🇵🇱 712 101 60ms 19 Nov 2024 797th elgan65536 712 106 159ms 26 Oct 2023 798th targrik 712 123 254ms 10 Jul 2025 799th NewDefectus 🇮🇱 711 76 2ms 25 Oct 2021 799th JohandeRuiter 🇳🇱 711 76 2ms 3 Dec 2023 First Prev 721–800 of 1,907 Next Last