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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 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 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 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 555th vishwathg 823 61 20ms 18 Sep 2022 555th ZakkkkAttackkkk 🇵🇭 823 61 12ms 19 Aug 2023 555th jtaxen 823 61 11ms 26 Mar 2024 555th ahmetdemirag 🇨🇾 823 61 19ms 5 Nov 2024 555th Pyroan 823 61 12ms 16 Mar 2025 555th tri1212 🇻🇳 823 61 11ms 16 Apr 2025 567th Shanethegamer 🇺🇸 823 83 82ms 19 Apr 2022 568th alemelis 822 60 2,055ms 14 Aug 2024 569th GrayJoKing 🇦🇺 822 81 120ms 14 Mar 2022 569th MeWhenI 🇻🇦 822 81 120ms 15 Nov 2022 571st ovs-code 🇩🇪 819 56 165ms 3 Aug 2024 572nd primo-ppcg 🇹🇭 819 66 2ms 18 Jan 2021 572nd jared-hughes 819 66 2ms 31 Jul 2022 574th NewDefectus 🇮🇱 818 57 9ms 1 Nov 2021 575th KasperKivimaeki 🇫🇮 818 88 65ms 27 Nov 2025 575th emgordon154 818 88 60ms 8 Feb 2026 577th inventshah 817 59 2ms 18 May 2022 577th MeWhenI 🇻🇦 817 59 2ms 18 May 2022 579th m-tkach 🇺🇦 817 101 29ms 18 Jan 2024 580th Shanethegamer 🇺🇸 816 84 468ms 25 Sep 2025 581st Yewzir 🇧🇪 815 61 148ms 16 Nov 2023 582nd ovs-code 🇩🇪 815 66 2ms 10 Oct 2023 582nd inventshah 815 66 2ms 22 Oct 2023 584th BREMAUCY 🇫🇷 814 59 396ms 20 Feb 2024 585th duckyluuk 🇳🇱 814 70 3,850ms 28 Oct 2024 585th jkelly467 814 70 4,162ms 22 Dec 2025 587th Steffan153 🇫🇮 814 90 4ms 10 Feb 2023 588th emgordon154 814 107 110ms 4 Dec 2025 589th janlelis 811 52 45ms 18 Jan 2021 589th hiddicop 🇸🇪 811 52 53ms 29 Jan 2021 589th prplz 🇦🇺 811 52 50ms 22 Apr 2021 589th anter69 🇭🇺 811 52 48ms 14 Jan 2022 589th OhmNomNom 811 52 105ms 12 Oct 2022 589th olleicua 🇺🇸 811 52 42ms 25 Feb 2024 589th emgordon154 811 52 49ms 26 Nov 2024 596th Shanethegamer 🇺🇸 811 108 262ms 26 Sep 2021 597th vezzick 810 62 13ms 12 Mar 2021 597th schachmattmatt 810 62 11ms 18 Aug 2021 597th cooljoseph1 810 62 23ms 6 May 2022 597th fredrik-bakke 🇳🇴 810 62 19ms 29 Sep 2022 597th nkoppel 810 62 11ms 19 Oct 2022 597th AodhanDalton 810 62 11ms 4 Nov 2022 597th nstearns96 🇬🇧 810 62 17ms 28 Nov 2022 597th adamnielson42 🇺🇸 810 62 11ms 10 Jan 2024 597th jbjd 810 62 11ms 2 Mar 2024 597th wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 597th jacekwladzinski 810 62 13ms 4 Oct 2025 597th Mabeloid 🇳🇴 810 62 11ms 26 Oct 2025 609th Steffan153 🇫🇮 810 79 1,407ms 23 Mar 2023 609th Yewzir 🇧🇪 810 79 37ms 16 Nov 2023 611th Shanethegamer 🇺🇸 810 96 85ms 9 Jun 2022 612th m-tkach 🇺🇦 809 89 57ms 25 Apr 2022 612th MeWhenI 🇻🇦 809 89 56ms 8 May 2022 614th Shanethegamer 🇺🇸 808 76 412ms 13 Dec 2021 615th GolfingSuccess 🇬🇷 808 81 9ms 9 Sep 2022 616th m-tkach 🇺🇦 808 106 25ms 25 Apr 2022 617th emgordon154 807 67 2ms 22 Apr 2025 618th Dazza314 🇬🇧 806 24 3ms 16 Apr 2021 619th ArmaanAS 804 58 11ms 4 Apr 2021 619th itsh01 804 58 10ms 18 Nov 2021 621st Steffan153 🇫🇮 803 60 2ms 6 May 2023 622nd DaDerpDuck 803 76 1ms 20 Jan 2021 623rd stefangimmillaro 803 80 112ms 23 Sep 2023 624th emgordon154 803 85 8ms 3 Jan 2025 625th Shanethegamer 🇺🇸 803 94 120ms 25 Jan 2021 626th prplz 🇦🇺 802 83 126ms 10 Jul 2024 627th NewDefectus 🇮🇱 800 35 56ms 25 Jan 2022 628th MeWhenI 🇻🇦 800 50 3ms 11 Nov 2022 629th GolfingSuccess 🇬🇷 800 69 7ms 24 Dec 2024 630th Yewzir 🇧🇪 800 90 56ms 14 Oct 2023 631st MeWhenI 🇻🇦 799 88 457ms 28 Feb 2022 632nd SirBogman 🇺🇸 797 46 214ms 22 Oct 2021 633rd apourchot 797 63 18ms 13 Feb 2021 633rd neihousaigaai 797 63 10ms 10 Apr 2021 633rd lechevalier 797 63 10ms 9 Aug 2021 633rd yzhs 🇩🇪 797 63 11ms 7 Jun 2022 633rd commandz0 🇺🇸 797 63 13ms 19 Sep 2022 633rd fourth-bit 797 63 11ms 21 Nov 2022 633rd FortuiteMan 🇫🇷 797 63 31ms 8 Sep 2023 633rd ssbhatt4321 797 63 27ms 14 Oct 2023 First Prev 561–640 of 1,933 Next Last