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 11ms 12 Feb 2022 559th CedricGebistorf 824 61 11ms 18 Feb 2022 559th jascotm 824 61 11ms 17 May 2022 559th Eilonlif 🇮🇱 824 61 31ms 9 Sep 2022 559th vishwathg 824 61 20ms 18 Sep 2022 559th ZakkkkAttackkkk 🇵🇭 824 61 12ms 19 Aug 2023 559th jtaxen 824 61 11ms 26 Mar 2024 559th ahmetdemirag 🇨🇾 824 61 19ms 5 Nov 2024 559th Pyroan 824 61 12ms 16 Mar 2025 559th tri1212 🇻🇳 824 61 11ms 16 Apr 2025 571st MeWhenI 🇻🇦 824 78 119ms 14 Oct 2022 572nd Shanethegamer 🇺🇸 823 83 97ms 19 Apr 2022 573rd alemelis 822 60 2,055ms 14 Aug 2024 574th GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 574th MeWhenI 🇻🇦 822 81 120ms 15 Nov 2022 576th ovs-code 🇩🇪 819 56 151ms 3 Aug 2024 577th primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 577th jared-hughes 819 66 2ms 31 Jul 2022 579th NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 580th KasperKivimaeki 🇫🇮 818 88 56ms 27 Nov 2025 580th emgordon154 818 88 58ms 8 Feb 2026 582nd inventshah 817 59 2ms 18 May 2022 582nd MeWhenI 🇻🇦 817 59 2ms 18 May 2022 584th m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 585th Shanethegamer 🇺🇸 816 84 468ms 25 Sep 2025 586th BREMAUCY 🇫🇷 815 59 396ms 20 Feb 2024 587th Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 588th ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 588th inventshah 815 66 2ms 22 Oct 2023 590th duckyluuk 🇳🇱 814 70 2,659ms 28 Oct 2024 590th jkelly467 814 70 2,503ms 22 Dec 2025 592nd Steffan153 🇫🇮 814 90 4ms 10 Feb 2023 593rd emgordon154 814 107 110ms 4 Dec 2025 594th janlelis 812 52 38ms 18 Jan 2021 594th hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 594th prplz 🇦🇺 812 52 39ms 22 Apr 2021 594th anter69 🇭🇺 812 52 45ms 14 Jan 2022 594th OhmNomNom 812 52 76ms 12 Oct 2022 594th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 594th emgordon154 812 52 40ms 26 Nov 2024 601st Shanethegamer 🇺🇸 811 108 262ms 26 Sep 2021 602nd vezzick 810 62 13ms 12 Mar 2021 602nd schachmattmatt 810 62 11ms 18 Aug 2021 602nd cooljoseph1 810 62 23ms 6 May 2022 602nd fredrik-bakke 🇳🇴 810 62 19ms 29 Sep 2022 602nd nkoppel 810 62 11ms 19 Oct 2022 602nd AodhanDalton 810 62 11ms 4 Nov 2022 602nd nstearns96 🇬🇧 810 62 17ms 28 Nov 2022 602nd adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 602nd jbjd 810 62 11ms 2 Mar 2024 602nd wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 602nd jacekwladzinski 810 62 13ms 4 Oct 2025 602nd Mabeloid 🇳🇴 810 62 11ms 26 Oct 2025 602nd jusaka 810 62 14ms 19 hours ago 615th Steffan153 🇫🇮 810 79 1,328ms 23 Mar 2023 615th Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 617th Shanethegamer 🇺🇸 810 96 85ms 9 Jun 2022 618th m-tkach 🇺🇦 810 106 25ms 25 Apr 2022 619th GolfingSuccess 🇬🇷 809 81 9ms 9 Sep 2022 620th m-tkach 🇺🇦 809 89 59ms 25 Apr 2022 620th MeWhenI 🇻🇦 809 89 60ms 8 May 2022 622nd Shanethegamer 🇺🇸 808 76 387ms 13 Dec 2021 623rd emgordon154 807 67 2ms 22 Apr 2025 624th Dazza314 🇬🇧 806 24 3ms 16 Apr 2021 625th Shanethegamer 🇺🇸 805 94 120ms 25 Jan 2021 626th ArmaanAS 804 58 9ms 4 Apr 2021 626th itsh01 804 58 10ms 18 Nov 2021 628th Steffan153 🇫🇮 803 60 2ms 6 May 2023 629th DaDerpDuck 803 76 1ms 20 Jan 2021 630th stefangimmillaro 803 80 112ms 23 Sep 2023 631st emgordon154 803 85 8ms 3 Jan 2025 632nd prplz 🇦🇺 802 83 124ms 10 Jul 2024 633rd NewDefectus 🇮🇱 800 35 56ms 25 Jan 2022 634th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 635th GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 636th Yewzir 🇧🇪 800 90 58ms 14 Oct 2023 637th MeWhenI 🇻🇦 799 88 457ms 28 Feb 2022 638th apourchot 797 63 18ms 13 Feb 2021 638th neihousaigaai 797 63 10ms 10 Apr 2021 638th lechevalier 797 63 10ms 9 Aug 2021 First Prev 561–640 of 1,949 Next Last