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 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 Apéry’s Constant Binary Lambda Calculus 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 NFA Simulator Numbrix 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 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 ><> 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 NFA Simulator Numbrix 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 158th Lydxn 🇨🇦 910 67 1ms 31 Jan 2022 158th jared-hughes 910 67 1ms 14 Mar 2022 158th Steffan153 🇫🇮 910 67 2ms 25 Feb 2023 158th sean-niemann 🇺🇸 910 67 1ms 7 Oct 2024 158th FlyingPenguin223 910 67 2ms 3 Nov 2024 166th JayXon 🇺🇸 910 83 123ms 8 Nov 2022 166th Lydxn 🇨🇦 910 83 119ms 28 Jul 2023 166th emgordon154 910 83 119ms 18 Apr 2025 166th ovs-code 🇩🇪 910 83 114ms 20 Apr 2025 166th stefangimmillaro 910 83 120ms 18 May 2025 166th sean-niemann 🇺🇸 910 83 131ms 6 Jun 2025 166th kumavale 910 83 125ms 4 Oct 2025 173rd sisyphus-ppcg 🇦🇺 909 41 4,856ms 23 Dec 2025 174th xsot 🇸🇬 909 44 3ms 14 Apr 2024 174th canissimia 🇦🇶 909 44 2ms 6 Dec 2025 176th canissimia 🇦🇶 909 53 3ms 7 Apr 2023 177th GrayJoKing 🇦🇺 908 27 60ms 2 Aug 2022 178th Lydxn 🇨🇦 906 41 4ms 22 May 2022 178th Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 178th GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 178th sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 182nd Lydxn 🇨🇦 904 55 109ms 10 Oct 2023 183rd canissimia 🇦🇶 904 114 3ms 25 Mar 2022 184th janbehrens 🇩🇪 903 68 419ms 21 Nov 2021 184th Irratix 🇳🇱 903 68 425ms 13 Dec 2021 184th tomtheisen 🇺🇸 903 68 429ms 9 Dec 2022 184th Steffan153 🇫🇮 903 68 416ms 10 Feb 2023 184th stefangimmillaro 903 68 417ms 18 Sep 2023 184th sean-niemann 🇺🇸 903 68 414ms 21 Sep 2023 190th JayXon 🇺🇸 903 97 280ms 17 Jan 2021 190th Lydxn 🇨🇦 903 97 301ms 23 Mar 2023 190th nwellnhof 🇩🇪 903 97 272ms 29 May 2023 190th Yewzir 🇧🇪 903 97 305ms 25 Oct 2023 190th Betuaredead 903 97 307ms 12 Nov 2023 195th DialFrost 🇸🇬 902 76 436ms 7 Nov 2025 196th JayXon 🇺🇸 901 60 2ms 24 Jan 2021 196th nwellnhof 🇩🇪 901 60 2ms 13 Jul 2022 196th emplv 🇱🇻 901 60 2ms 28 Jul 2023 199th nwellnhof 🇩🇪 900 80 55ms 13 Jul 2022 200th JayXon 🇺🇸 899 51 142ms 17 Jun 2025 201st pardouin 🇫🇷 898 51 1,276ms 13 Apr 2025 202nd stefangimmillaro 897 47 49ms 23 Mar 2023 202nd Natanaelel 🇸🇪 897 47 40ms 11 Apr 2023 202nd m-tkach 🇺🇦 897 47 38ms 16 Jun 2023 205th btnlq 897 56 12ms 17 Jan 2021 205th jacklynnepenick 897 56 11ms 19 Aug 2021 205th sisyphus-ppcg 🇦🇺 897 56 32ms 23 Mar 2023 205th DialFrost 🇸🇬 897 56 24ms 3 Oct 2023 209th Shanethegamer 🇺🇸 897 68 1ms 24 Jan 2021 210th GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 210th Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 210th clockworknazo 897 73 11ms 19 Sep 2022 210th JayXon 🇺🇸 897 73 3ms 28 Sep 2022 210th Lydxn 🇨🇦 897 73 5ms 13 Oct 2023 210th sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 216th GrayJoKing 🇦🇺 896 52 10ms 20 Jan 2021 216th janbehrens 🇩🇪 896 52 10ms 1 Aug 2021 216th inventshah 896 52 10ms 18 Jun 2022 216th dmrichwa 🇺🇸 896 52 11ms 28 Jul 2023 220th ovs-code 🇩🇪 896 53 9ms 30 Oct 2024 221st Steffan153 🇫🇮 896 60 2ms 26 Jan 2024 221st sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 223rd Steffan153 🇫🇮 894 98 300ms 10 Feb 2023 223rd sean-niemann 🇺🇸 894 98 288ms 21 Sep 2023 225th sean-niemann 🇺🇸 893 51 797ms 30 Aug 2025 226th emplv 🇱🇻 892 72 134ms 28 Jul 2023 226th Lydxn 🇨🇦 892 72 135ms 28 Jul 2023 228th CLOStrophobic 🇮🇹 892 82 56ms 24 Feb 2025 228th zacjl 892 82 10ms 24 Feb 2025 230th inventshah 891 64 2,302ms 27 Oct 2024 230th stefangimmillaro 891 64 2,244ms 13 Nov 2024 230th JayXon 🇺🇸 891 64 2,253ms 13 Nov 2024 233rd GrayJoKing 🇦🇺 891 67 61ms 23 Mar 2023 233rd IanUtley 891 67 70ms 9 May 2024 235th JayXon 🇺🇸 890 79 471ms 28 Feb 2022 235th Steffan153 🇫🇮 890 79 405ms 23 Mar 2023 235th Lydxn 🇨🇦 890 79 448ms 23 Mar 2023 235th sean-niemann 🇺🇸 890 79 446ms 23 Sep 2023 239th Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 239th sean-niemann 🇺🇸 889 45 3ms 31 Oct 2022 First Prev 161–240 of 1,918 Next Last