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 161st JayXon 🇺🇸 912 79 59ms 4 Mar 2024 162nd sisyphus-ppcg 🇦🇺 910 67 2ms 25 Jan 2021 162nd Waffle3z 910 67 1ms 26 Jan 2021 162nd JayXon 🇺🇸 910 67 1ms 19 Feb 2021 162nd Lydxn 🇨🇦 910 67 1ms 31 Jan 2022 162nd jared-hughes 910 67 1ms 14 Mar 2022 162nd Steffan153 🇫🇮 910 67 2ms 25 Feb 2023 162nd sean-niemann 🇺🇸 910 67 1ms 7 Oct 2024 162nd FlyingPenguin223 910 67 2ms 3 Nov 2024 170th JayXon 🇺🇸 910 83 116ms 8 Nov 2022 170th Lydxn 🇨🇦 910 83 121ms 28 Jul 2023 170th emgordon154 910 83 118ms 18 Apr 2025 170th ovs-code 🇩🇪 910 83 125ms 20 Apr 2025 170th stefangimmillaro 910 83 126ms 18 May 2025 170th sean-niemann 🇺🇸 910 83 121ms 6 Jun 2025 170th kumavale 910 83 118ms 4 Oct 2025 177th GrayJoKing 🇦🇺 909 27 57ms 2 Aug 2022 178th sisyphus-ppcg 🇦🇺 909 41 4,914ms 23 Dec 2025 179th xsot 🇸🇬 909 44 2ms 14 Apr 2024 179th canissimia 🇦🇶 909 44 3ms 6 Dec 2025 181st canissimia 🇦🇶 909 53 3ms 7 Apr 2023 182nd edsrzf 🇳🇿 907 72 115ms 5 mins ago 183rd Lydxn 🇨🇦 906 41 5ms 22 May 2022 183rd Steffan153 🇫🇮 906 41 4ms 15 Dec 2022 183rd GrayJoKing 🇦🇺 906 41 4ms 14 Aug 2023 183rd sean-niemann 🇺🇸 906 41 4ms 27 Jun 2025 187th Lydxn 🇨🇦 904 55 149ms 10 Oct 2023 188th canissimia 🇦🇶 904 114 3ms 25 Mar 2022 189th janbehrens 🇩🇪 903 68 390ms 21 Nov 2021 189th Irratix 🇳🇱 903 68 432ms 13 Dec 2021 189th tomtheisen 🇺🇸 903 68 404ms 9 Dec 2022 189th Steffan153 🇫🇮 903 68 395ms 10 Feb 2023 189th stefangimmillaro 903 68 410ms 18 Sep 2023 189th sean-niemann 🇺🇸 903 68 390ms 21 Sep 2023 195th JayXon 🇺🇸 903 97 289ms 17 Jan 2021 195th Lydxn 🇨🇦 903 97 285ms 23 Mar 2023 195th nwellnhof 🇩🇪 903 97 290ms 29 May 2023 195th Yewzir 🇧🇪 903 97 285ms 25 Oct 2023 195th Betuaredead 903 97 285ms 12 Nov 2023 200th DialFrost 🇸🇬 902 76 436ms 7 Nov 2025 201st JayXon 🇺🇸 901 60 2ms 24 Jan 2021 201st nwellnhof 🇩🇪 901 60 2ms 13 Jul 2022 201st emplv 🇱🇻 901 60 2ms 28 Jul 2023 204th nwellnhof 🇩🇪 900 80 58ms 13 Jul 2022 205th JayXon 🇺🇸 899 51 145ms 17 Jun 2025 206th stefangimmillaro 898 47 53ms 23 Mar 2023 206th Natanaelel 🇸🇪 898 47 36ms 11 Apr 2023 206th m-tkach 🇺🇦 898 47 42ms 16 Jun 2023 209th pardouin 🇫🇷 898 51 1,276ms 13 Apr 2025 210th btnlq 897 56 11ms 17 Jan 2021 210th jacklynnepenick 897 56 11ms 19 Aug 2021 210th sisyphus-ppcg 🇦🇺 897 56 28ms 23 Mar 2023 210th DialFrost 🇸🇬 897 56 24ms 3 Oct 2023 210th Seek64 🇩🇪 897 56 23ms 8 days ago 215th Shanethegamer 🇺🇸 897 68 1ms 24 Jan 2021 216th GrayJoKing 🇦🇺 897 73 3ms 10 Sep 2022 216th Shanethegamer 🇺🇸 897 73 11ms 11 Sep 2022 216th clockworknazo 897 73 11ms 19 Sep 2022 216th JayXon 🇺🇸 897 73 3ms 28 Sep 2022 216th Lydxn 🇨🇦 897 73 3ms 13 Oct 2023 216th sean-niemann 🇺🇸 897 73 3ms 30 Oct 2025 222nd GrayJoKing 🇦🇺 896 52 10ms 20 Jan 2021 222nd janbehrens 🇩🇪 896 52 11ms 1 Aug 2021 222nd inventshah 896 52 10ms 18 Jun 2022 222nd dmrichwa 🇺🇸 896 52 15ms 28 Jul 2023 226th ovs-code 🇩🇪 896 53 9ms 30 Oct 2024 227th Steffan153 🇫🇮 896 60 3ms 26 Jan 2024 227th sean-niemann 🇺🇸 896 60 2ms 31 Jan 2025 229th sean-niemann 🇺🇸 895 51 797ms 30 Aug 2025 229th Steffan153 🇫🇮 895 51 785ms 14 Feb 2026 231st Steffan153 🇫🇮 894 98 304ms 10 Feb 2023 231st sean-niemann 🇺🇸 894 98 288ms 21 Sep 2023 233rd emplv 🇱🇻 892 72 117ms 28 Jul 2023 233rd Lydxn 🇨🇦 892 72 127ms 28 Jul 2023 235th CLOStrophobic 🇮🇹 892 82 56ms 24 Feb 2025 235th zacjl 892 82 10ms 24 Feb 2025 237th inventshah 891 64 3,891ms 27 Oct 2024 237th stefangimmillaro 891 64 3,904ms 13 Nov 2024 237th JayXon 🇺🇸 891 64 3,821ms 13 Nov 2024 237th pardouin 🇫🇷 891 64 4,103ms 16 Feb 2026 First Prev 161–240 of 1,934 Next Last