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 147th davecame 913 55 12ms 21 Aug 2024 147th Steffan153 🇫🇮 913 55 23ms 30 Aug 2024 147th sean-niemann 🇺🇸 913 55 23ms 5 Feb 2025 147th 4atj 913 55 24ms 8 Apr 2025 155th Lydxn 🇨🇦 912 78 56ms 28 Jul 2023 156th JayXon 🇺🇸 910 83 119ms 8 Nov 2022 156th Lydxn 🇨🇦 910 83 122ms 28 Jul 2023 156th emgordon154 910 83 120ms 18 Apr 2025 156th ovs-code 🇩🇪 910 83 120ms 20 Apr 2025 156th stefangimmillaro 910 83 118ms 18 May 2025 156th sean-niemann 🇺🇸 910 83 132ms 6 Jun 2025 156th kumavale 910 83 126ms 4 Oct 2025 163rd xsot 🇸🇬 909 44 3ms 14 Apr 2024 163rd canissimia 🇦🇶 909 44 3ms 16 hours ago 165th canissimia 🇦🇶 909 53 3ms 7 Apr 2023 166th GrayJoKing 🇦🇺 908 27 55ms 2 Aug 2022 167th sisyphus-ppcg 🇦🇺 908 67 1ms 25 Jan 2021 167th Waffle3z 908 67 1ms 26 Jan 2021 167th JayXon 🇺🇸 908 67 1ms 19 Feb 2021 167th Lydxn 🇨🇦 908 67 1ms 31 Jan 2022 167th jared-hughes 908 67 1ms 14 Mar 2022 167th Steffan153 🇫🇮 908 67 2ms 25 Feb 2023 167th sean-niemann 🇺🇸 908 67 2ms 7 Oct 2024 167th FlyingPenguin223 908 67 1ms 3 Nov 2024 175th Lydxn 🇨🇦 906 41 4ms 22 May 2022 175th Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 175th GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 175th sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 179th ovs-code 🇩🇪 905 43 107ms 21 Dec 2022 180th Lydxn 🇨🇦 904 55 107ms 10 Oct 2023 181st JayXon 🇺🇸 903 97 268ms 17 Jan 2021 181st Lydxn 🇨🇦 903 97 254ms 23 Mar 2023 181st nwellnhof 🇩🇪 903 97 266ms 29 May 2023 181st Yewzir 🇧🇪 903 97 264ms 25 Oct 2023 181st Betuaredead 903 97 263ms 12 Nov 2023 186th canissimia 🇦🇶 903 114 3ms 25 Mar 2022 187th DialFrost 🇸🇬 902 76 329ms 7 Nov 2025 188th janbehrens 🇩🇪 901 68 334ms 21 Nov 2021 188th Irratix 🇳🇱 901 68 336ms 13 Dec 2021 188th tomtheisen 🇺🇸 901 68 325ms 9 Dec 2022 188th Steffan153 🇫🇮 901 68 325ms 10 Feb 2023 188th stefangimmillaro 901 68 321ms 18 Sep 2023 188th sean-niemann 🇺🇸 901 68 329ms 21 Sep 2023 194th JayXon 🇺🇸 900 60 2ms 24 Jan 2021 194th nwellnhof 🇩🇪 900 60 2ms 13 Jul 2022 194th emplv 🇱🇻 900 60 2ms 28 Jul 2023 197th JayXon 🇺🇸 900 79 52ms 4 Mar 2024 198th JayXon 🇺🇸 899 51 122ms 17 Jun 2025 199th pardouin 🇫🇷 898 51 847ms 13 Apr 2025 200th stefangimmillaro 897 47 52ms 23 Mar 2023 200th Natanaelel 🇸🇪 897 47 48ms 11 Apr 2023 200th m-tkach 🇺🇦 897 47 39ms 16 Jun 2023 203rd btnlq 897 56 11ms 17 Jan 2021 203rd jacklynnepenick 897 56 11ms 19 Aug 2021 203rd sisyphus-ppcg 🇦🇺 897 56 25ms 23 Mar 2023 203rd DialFrost 🇸🇬 897 56 23ms 3 Oct 2023 207th GrayJoKing 🇦🇺 897 73 5ms 10 Sep 2022 207th Shanethegamer 🇺🇸 897 73 13ms 11 Sep 2022 207th clockworknazo 897 73 12ms 19 Sep 2022 207th JayXon 🇺🇸 897 73 3ms 28 Sep 2022 207th Lydxn 🇨🇦 897 73 3ms 13 Oct 2023 207th sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 213th GrayJoKing 🇦🇺 896 52 9ms 20 Jan 2021 213th janbehrens 🇩🇪 896 52 9ms 1 Aug 2021 213th inventshah 896 52 9ms 18 Jun 2022 213th dmrichwa 🇺🇸 896 52 10ms 28 Jul 2023 217th ovs-code 🇩🇪 896 53 10ms 30 Oct 2024 218th Steffan153 🇫🇮 896 60 2ms 26 Jan 2024 218th sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 220th Shanethegamer 🇺🇸 895 68 1ms 24 Jan 2021 221st Steffan153 🇫🇮 894 98 263ms 10 Feb 2023 221st sean-niemann 🇺🇸 894 98 271ms 21 Sep 2023 223rd emplv 🇱🇻 892 72 96ms 28 Jul 2023 223rd Lydxn 🇨🇦 892 72 101ms 28 Jul 2023 225th sean-niemann 🇺🇸 891 51 736ms 30 Aug 2025 First Prev 151–225 of 1,881 Next Last