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 559th cubed-guy 824 61 12ms 12 Feb 2022 559th CedricGebistorf 824 61 12ms 18 Feb 2022 559th jascotm 824 61 11ms 17 May 2022 559th Eilonlif 🇮🇱 824 61 39ms 9 Sep 2022 559th vishwathg 824 61 21ms 18 Sep 2022 559th ZakkkkAttackkkk 🇵🇭 824 61 13ms 19 Aug 2023 559th jtaxen 824 61 10ms 26 Mar 2024 559th ahmetdemirag 🇨🇾 824 61 18ms 5 Nov 2024 559th Pyroan 824 61 13ms 16 Mar 2025 559th tri1212 🇻🇳 824 61 12ms 16 Apr 2025 571st MeWhenI 🇻🇦 824 78 116ms 14 Oct 2022 572nd alemelis 822 60 2,055ms 14 Aug 2024 573rd GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 573rd MeWhenI 🇻🇦 822 81 120ms 15 Nov 2022 575th ovs-code 🇩🇪 819 56 149ms 3 Aug 2024 576th primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 576th jared-hughes 819 66 2ms 31 Jul 2022 578th NewDefectus 🇮🇱 818 57 11ms 1 Nov 2021 579th KasperKivimaeki 🇫🇮 818 88 56ms 27 Nov 2025 579th emgordon154 818 88 57ms 8 Feb 2026 581st inventshah 817 59 2ms 18 May 2022 581st MeWhenI 🇻🇦 817 59 2ms 18 May 2022 583rd m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 584th Shanethegamer 🇺🇸 816 84 468ms 25 Sep 2025 585th Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 586th ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 586th inventshah 815 66 2ms 22 Oct 2023 588th BREMAUCY 🇫🇷 814 59 553ms 20 Feb 2024 589th duckyluuk 🇳🇱 814 70 2,273ms 28 Oct 2024 589th jkelly467 814 70 2,503ms 22 Dec 2025 591st Steffan153 🇫🇮 814 90 4ms 10 Feb 2023 592nd emgordon154 814 107 110ms 4 Dec 2025 593rd janlelis 812 52 38ms 18 Jan 2021 593rd hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 593rd prplz 🇦🇺 812 52 39ms 22 Apr 2021 593rd anter69 🇭🇺 812 52 41ms 14 Jan 2022 593rd OhmNomNom 812 52 76ms 12 Oct 2022 593rd olleicua 🇺🇸 812 52 39ms 25 Feb 2024 593rd emgordon154 812 52 40ms 26 Nov 2024 600th Shanethegamer 🇺🇸 811 108 326ms 26 Sep 2021 601st vezzick 810 62 13ms 12 Mar 2021 601st schachmattmatt 810 62 14ms 18 Aug 2021 601st cooljoseph1 810 62 24ms 6 May 2022 601st fredrik-bakke 🇳🇴 810 62 24ms 29 Sep 2022 601st nkoppel 810 62 16ms 19 Oct 2022 601st AodhanDalton 810 62 13ms 4 Nov 2022 601st nstearns96 🇬🇧 810 62 19ms 28 Nov 2022 601st adamnielson42 🇺🇸 810 62 12ms 10 Jan 2024 601st jbjd 810 62 11ms 2 Mar 2024 601st wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 601st jacekwladzinski 810 62 13ms 4 Oct 2025 601st Mabeloid 🇳🇴 810 62 12ms 26 Oct 2025 601st jusaka 810 62 15ms 7 days ago 614th Steffan153 🇫🇮 810 79 1,328ms 23 Mar 2023 614th Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 616th Shanethegamer 🇺🇸 810 96 85ms 9 Jun 2022 617th m-tkach 🇺🇦 810 106 25ms 25 Apr 2022 618th GolfingSuccess 🇬🇷 809 81 9ms 9 Sep 2022 619th m-tkach 🇺🇦 809 89 60ms 25 Apr 2022 619th MeWhenI 🇻🇦 809 89 57ms 8 May 2022 621st Shanethegamer 🇺🇸 808 76 387ms 13 Dec 2021 622nd emgordon154 807 67 2ms 22 Apr 2025 623rd Dazza314 🇬🇧 806 24 3ms 16 Apr 2021 624th Shanethegamer 🇺🇸 805 94 120ms 25 Jan 2021 625th ArmaanAS 804 58 13ms 4 Apr 2021 625th itsh01 804 58 11ms 18 Nov 2021 627th Steffan153 🇫🇮 803 60 2ms 6 May 2023 628th DaDerpDuck 803 76 1ms 20 Jan 2021 629th stefangimmillaro 803 80 104ms 23 Sep 2023 630th emgordon154 803 85 8ms 3 Jan 2025 631st Steffan153 🇫🇮 803 112 6ms 19 days ago 632nd prplz 🇦🇺 802 83 124ms 10 Jul 2024 633rd NewDefectus 🇮🇱 800 35 50ms 25 Jan 2022 634th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 635th GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 636th Yewzir 🇧🇪 800 90 57ms 14 Oct 2023 637th MeWhenI 🇻🇦 799 88 457ms 28 Feb 2022 638th apourchot 798 63 21ms 13 Feb 2021 638th neihousaigaai 798 63 11ms 10 Apr 2021 638th lechevalier 798 63 12ms 9 Aug 2021 First Prev 561–640 of 1,954 Next Last