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 Dragon Curve 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 Dragon Curve 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 297th jgygax 882 57 17ms 28 Apr 2022 297th stefangimmillaro 882 57 11ms 13 May 2022 297th inventshah 882 57 11ms 19 Sep 2022 297th LogicalJoe 882 57 13ms 19 Sep 2022 297th lzahray 882 57 36ms 21 Oct 2022 297th thehylian 882 57 11ms 10 Jan 2023 297th 5cw 🇺🇸 882 57 11ms 10 Apr 2023 297th xsot 🇸🇬 882 57 25ms 26 Apr 2023 297th Rubiksmath 882 57 12ms 14 Aug 2023 297th kg583 🇺🇸 882 57 25ms 26 Sep 2023 297th bzijlema 🇳🇱 882 57 14ms 15 Nov 2023 297th janbehrens 🇩🇪 882 57 13ms 30 Dec 2023 297th mathisfun271 882 57 11ms 4 Feb 2024 297th duckyluuk 🇳🇱 882 57 25ms 6 Feb 2024 297th Yewzir 🇧🇪 882 57 16ms 29 Feb 2024 297th elgan65536 🇺🇸 882 57 11ms 4 Apr 2024 297th thienudomsrirungruang 882 57 11ms 27 Apr 2024 297th SirBogman 🇺🇸 882 57 14ms 10 Jun 2024 297th wuzekai518 882 57 12ms 2 Aug 2024 297th bizy-coder 882 57 36ms 14 Aug 2024 297th jatloe 882 57 11ms 6 Sep 2024 297th 5quiwyrm 882 57 11ms 14 Nov 2024 297th lifthrasiir 🇰🇷 882 57 11ms 15 Nov 2024 297th GolfingSuccess 🇬🇷 882 57 13ms 24 Dec 2024 297th emgordon154 882 57 11ms 23 Apr 2025 297th qpwoeirut 882 57 14ms 11 Aug 2025 297th michaelmgreer 882 57 11ms 9 Oct 2025 297th Babafaba 882 57 13ms 19 Nov 2025 297th CaedenHarper 🇨🇦 882 57 11ms 9 Dec 2025 297th cros107 🇦🇺 882 57 15ms 31 Dec 2025 297th KasperKivimaeki 🇫🇮 882 57 14ms 3 Jan 2026 297th blaztoma 🇱🇹 882 57 12ms 11 Jan 2026 297th ryyyn 🇺🇸 882 57 36ms 21 Jan 2026 297th StefanHabel 🇨🇦 882 57 13ms 1 Mar 2026 297th Flekay 🇩🇪 882 57 13ms 27 Mar 2026 297th edsrzf 🇳🇿 882 57 12ms 18 days ago 297th jusaka 882 57 13ms 11 days ago 358th GrayJoKing 🇦🇺 882 63 7ms 31 Jan 2025 359th Steffan153 🇫🇮 882 94 49ms 18 Jan 2023 360th Steffan153 🇫🇮 881 89 110ms 18 Aug 2024 361st m-tkach 🇺🇦 881 107 17ms 17 May 2022 362nd SirBogman 🇺🇸 880 22 3ms 30 Sep 2022 363rd tomtheisen 🇺🇸 880 53 10ms 18 Jan 2021 363rd prplz 🇦🇺 880 53 10ms 24 Jan 2021 363rd jakzo 880 53 10ms 5 Sep 2021 363rd ovs-code 🇩🇪 880 53 10ms 5 Oct 2023 363rd dokutan 880 53 15ms 18 Jul 2025 368th zacjl 880 72 40ms 13 Feb 2025 369th GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 369th primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 371st primo-ppcg 🇹🇭 880 78 4ms 2 May 2023 371st namelessiw 880 78 368ms 2 Oct 2025 371st Yewzir 🇧🇪 880 78 377ms 2 Oct 2025 374th primo-ppcg 🇹🇭 878 28 48ms 30 Sep 2022 375th saito-ta 🇯🇵 878 55 3ms 26 May 2022 375th nwellnhof 🇩🇪 878 55 4ms 13 May 2023 377th namelessiw 878 70 468ms 18 Jul 2025 378th emplv 🇱🇻 878 100 343ms 18 Jan 2022 378th stefangimmillaro 878 100 304ms 21 Jun 2023 380th stefangimmillaro 877 82 39ms 26 Apr 2025 381st jared-hughes 876 126 15ms 7 Jul 2024 382nd JayXon 🇺🇸 875 57 149ms 1 May 2023 382nd primo-ppcg 🇹🇭 875 57 151ms 1 May 2023 384th Lydxn 🇨🇦 874 55 465ms 16 Jan 2024 384th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 384th JayXon 🇺🇸 874 55 503ms 21 Jan 2024 384th sean-niemann 🇺🇸 874 55 488ms 26 Jan 2025 384th Steffan153 🇫🇮 874 55 541ms 13 Feb 2026 389th MeWhenI 🇻🇦 873 83 14ms 18 Jan 2026 390th Irratix 🇳🇱 872 62 2ms 20 Dec 2021 390th ovs-code 🇩🇪 872 62 2ms 8 May 2023 390th sean-niemann 🇺🇸 872 62 2ms 18 Dec 2023 393rd btjones0 872 87 127ms 26 Jan 2021 393rd lynn 872 87 118ms 7 Jul 2024 395th ovs-code 🇩🇪 871 81 458ms 15 Jun 2024 395th DialFrost 🇸🇬 871 81 463ms 7 Nov 2025 397th GrayJoKing 🇦🇺 871 90 100ms 9 Jun 2022 398th ovs-code 🇩🇪 870 43 92ms 21 Dec 2022 398th snoozingnewt 🇨🇦 870 43 103ms 3 days ago 400th stefangimmillaro 870 79 99ms 21 Jun 2023 First Prev 321–400 of 2,107 Next Last