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 154th 4atj 914 55 29ms 8 Apr 2025 162nd JayXon 🇺🇸 913 83 124ms 8 Nov 2022 162nd Lydxn 🇨🇦 913 83 118ms 28 Jul 2023 162nd emgordon154 913 83 123ms 18 Apr 2025 162nd ovs-code 🇩🇪 913 83 130ms 20 Apr 2025 162nd stefangimmillaro 913 83 114ms 18 May 2025 162nd sean-niemann 🇺🇸 913 83 132ms 6 Jun 2025 162nd kumavale 913 83 129ms 4 Oct 2025 169th sisyphus-ppcg 🇦🇺 912 67 2ms 25 Jan 2021 169th Waffle3z 912 67 1ms 26 Jan 2021 169th JayXon 🇺🇸 912 67 1ms 19 Feb 2021 169th Lydxn 🇨🇦 912 67 1ms 31 Jan 2022 169th jared-hughes 912 67 1ms 14 Mar 2022 169th Steffan153 🇫🇮 912 67 2ms 25 Feb 2023 169th sean-niemann 🇺🇸 912 67 1ms 7 Oct 2024 169th FlyingPenguin223 912 67 2ms 3 Nov 2024 177th JayXon 🇺🇸 912 79 63ms 4 Mar 2024 178th sisyphus-ppcg 🇦🇺 911 41 4,878ms 23 Dec 2025 179th GrayJoKing 🇦🇺 910 27 54ms 2 Aug 2022 180th xsot 🇸🇬 910 44 2ms 14 Apr 2024 180th canissimia 🇦🇶 910 44 3ms 6 Dec 2025 182nd canissimia 🇦🇶 910 53 3ms 7 Apr 2023 183rd Lydxn 🇨🇦 907 41 4ms 22 May 2022 183rd Steffan153 🇫🇮 907 41 4ms 15 Dec 2022 183rd GrayJoKing 🇦🇺 907 41 4ms 14 Aug 2023 183rd sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 187th Lydxn 🇨🇦 905 55 149ms 10 Oct 2023 188th canissimia 🇦🇶 905 114 3ms 25 Mar 2022 189th JayXon 🇺🇸 904 97 322ms 17 Jan 2021 189th Lydxn 🇨🇦 904 97 322ms 23 Mar 2023 189th nwellnhof 🇩🇪 904 97 318ms 29 May 2023 189th Yewzir 🇧🇪 904 97 337ms 25 Oct 2023 189th Betuaredead 904 97 308ms 12 Nov 2023 194th janbehrens 🇩🇪 903 68 390ms 21 Nov 2021 194th Irratix 🇳🇱 903 68 393ms 13 Dec 2021 194th tomtheisen 🇺🇸 903 68 398ms 9 Dec 2022 194th Steffan153 🇫🇮 903 68 382ms 10 Feb 2023 194th stefangimmillaro 903 68 372ms 18 Sep 2023 194th sean-niemann 🇺🇸 903 68 387ms 21 Sep 2023 200th DialFrost 🇸🇬 903 76 436ms 7 Nov 2025 201st JayXon 🇺🇸 901 51 150ms 17 Jun 2025 202nd JayXon 🇺🇸 901 60 2ms 24 Jan 2021 202nd nwellnhof 🇩🇪 901 60 2ms 13 Jul 2022 202nd emplv 🇱🇻 901 60 2ms 28 Jul 2023 205th nwellnhof 🇩🇪 901 80 59ms 13 Jul 2022 206th pardouin 🇫🇷 899 51 1,276ms 13 Apr 2025 207th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 208th GrayJoKing 🇦🇺 899 73 3ms 10 Sep 2022 208th Shanethegamer 🇺🇸 899 73 11ms 11 Sep 2022 208th clockworknazo 899 73 11ms 19 Sep 2022 208th JayXon 🇺🇸 899 73 3ms 28 Sep 2022 208th Lydxn 🇨🇦 899 73 3ms 13 Oct 2023 208th sean-niemann 🇺🇸 899 73 3ms 30 Oct 2025 208th Steffan153 🇫🇮 899 73 12ms 8 days ago 215th stefangimmillaro 898 47 42ms 23 Mar 2023 215th Natanaelel 🇸🇪 898 47 36ms 11 Apr 2023 215th m-tkach 🇺🇦 898 47 36ms 16 Jun 2023 218th ovs-code 🇩🇪 898 53 9ms 30 Oct 2024 219th Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 219th sean-niemann 🇺🇸 898 60 3ms 31 Jan 2025 221st sean-niemann 🇺🇸 897 51 1,060ms 30 Aug 2025 221st Steffan153 🇫🇮 897 51 1,125ms 14 Feb 2026 223rd GrayJoKing 🇦🇺 897 52 11ms 20 Jan 2021 223rd janbehrens 🇩🇪 897 52 12ms 1 Aug 2021 223rd inventshah 897 52 12ms 18 Jun 2022 223rd dmrichwa 🇺🇸 897 52 12ms 28 Jul 2023 227th btnlq 897 56 11ms 17 Jan 2021 227th jacklynnepenick 897 56 13ms 19 Aug 2021 227th sisyphus-ppcg 🇦🇺 897 56 28ms 23 Mar 2023 227th DialFrost 🇸🇬 897 56 33ms 3 Oct 2023 227th Seek64 🇩🇪 897 56 25ms 9 Mar 2026 232nd GrayJoKing 🇦🇺 896 40 147ms 9 May 2024 233rd Steffan153 🇫🇮 895 98 320ms 10 Feb 2023 233rd sean-niemann 🇺🇸 895 98 358ms 21 Sep 2023 235th emplv 🇱🇻 894 72 109ms 28 Jul 2023 235th Lydxn 🇨🇦 894 72 110ms 28 Jul 2023 237th CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 237th zacjl 894 82 9ms 24 Feb 2025 239th inventshah 893 64 2,430ms 27 Oct 2024 239th stefangimmillaro 893 64 2,331ms 13 Nov 2024 First Prev 161–240 of 2,018 Next Last