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 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 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 672nd guilhem-roy 🇫🇷 773 65 10ms 28 Feb 2022 672nd martinnorling 🇸🇪 773 65 10ms 8 Mar 2022 672nd fgrosshans 🇫🇷 773 65 11ms 12 Jul 2022 672nd IshanPanpaliya 773 65 10ms 3 May 2023 672nd nooberitess 773 65 11ms 8 Apr 2025 672nd robin-scragg 773 65 10ms 21 Oct 2025 682nd c0d3-4-F00d 🇩🇪 771 70 2ms 18 Mar 2022 682nd Alex-x90 🇺🇸 771 70 2ms 6 Mar 2023 682nd dokutan 771 70 5ms 18 Jul 2025 685th mousetail 🇳🇱 771 98 123ms 3 Oct 2024 686th MeWhenI 🇻🇦 770 47 210ms 28 Jan 2023 687th MeWhenI 🇻🇦 770 59 1,039ms 15 Sep 2025 688th MeWhenI 🇻🇦 767 89 101ms 25 Dec 2022 689th emgordon154 766 32 39ms 19 Oct 2025 690th LostSyntax21 🇬🇧 766 55 37ms 2 Oct 2024 691st retrohun 765 63 102ms 23 Jan 2023 692nd Shanethegamer 🇺🇸 765 65 108ms 22 May 2021 693rd lynn 765 78 150ms 16 Nov 2021 694th Shanethegamer 🇺🇸 765 93 53ms 12 Jan 2022 695th rucin93 🇵🇱 764 60 127ms 9 Aug 2024 696th Waffle3z 764 61 10ms 20 Jan 2021 696th didion0 🇺🇸 764 61 9ms 9 Feb 2021 696th KrausRaus 🇺🇸 764 61 10ms 19 Feb 2021 696th tayloia 🇬🇧 764 61 9ms 29 May 2022 700th MeWhenI 🇻🇦 764 108 27ms 7 Jun 2023 701st Steffan153 🇫🇮 763 51 77ms 18 Dec 2022 702nd ScottHamper 762 90 446ms 8 days ago 703rd ArmaanAS 761 66 11ms 4 Apr 2021 703rd quimey 761 66 11ms 23 Jun 2023 703rd solisolu 761 66 19ms 27 Oct 2025 706th SirBogman 🇺🇸 759 86 115ms 24 Jan 2021 706th strout 759 86 124ms 15 Dec 2023 708th antimon2 🇯🇵 758 65 475ms 19 Jan 2021 709th GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 709th Yewzir 🇧🇪 758 71 3ms 19 days ago 711th kcinnu 🇱🇹 758 146 1,731ms 17 May 2024 712th albanian-laundromat 757 60 998ms 1 Oct 2025 713th duckyluuk 🇳🇱 756 73 7ms 16 Dec 2024 714th janbehrens 🇩🇪 756 93 548ms 24 Mar 2022 715th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 715th emgordon154 754 63 4ms 25 Aug 2024 717th olivermrose 🇺🇸 753 56 35ms 21 Sep 2021 718th lynn 753 85 1,338ms 12 Sep 2021 719th sean-niemann 🇺🇸 752 61 167ms 17 Jun 2025 720th ScottHamper 752 62 9ms 1 Jun 2021 720th helbling 🇨🇭 752 62 10ms 2 Oct 2024 722nd RockOfStone 751 81 2ms 4 Nov 2021 722nd dokutan 751 81 2ms 18 Jul 2025 724th Mabeloid 🇳🇴 750 64 539ms 17 Sep 2024 725th msbranicky 750 67 15ms 21 Aug 2023 726th Yewzir 🇧🇪 750 72 2ms 12 Aug 2023 727th cipharius 750 87 198ms 19 Jan 2021 728th Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 729th ovs-code 🇩🇪 748 49 146ms 2 Jan 2024 730th arctouch-cristiannevianna 747 82 332ms 22 Nov 2023 731st GolfingSuccess 🇬🇷 743 33 50ms 22 Jul 2022 732nd kg583 🇺🇸 741 85 38ms 13 Feb 2025 733rd jared-hughes 740 57 35ms 9 Sep 2022 734th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 734th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 736th janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 737th DialFrost 🇸🇬 740 99 1,055ms 8 Mar 2024 738th SirBogman 🇺🇸 740 139 2ms 21 Dec 2021 739th Stockoh 🇫🇷 739 68 34ms 25 Dec 2021 739th Bonjour27891 🇻🇳 739 68 34ms 1 Sep 2022 739th trist224 🇫🇷 739 68 37ms 18 Oct 2022 739th mousetail 🇳🇱 739 68 35ms 11 Aug 2023 739th Command-Master 739 68 39ms 24 Sep 2023 739th firegene 🇮🇪 739 68 36ms 12 Oct 2024 745th DialFrost 🇸🇬 738 49 222ms 25 Jun 2024 746th AlephSquirrel 738 99 10ms 18 Jan 2025 747th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 748th Yewzir 🇧🇪 733 62 867ms 22 days ago 749th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 749th annaproxy 733 89 148ms 17 Aug 2022 First Prev 676–750 of 1,882 Next Last