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 240th stefangimmillaro 893 64 2,331ms 13 Nov 2024 240th JayXon 🇺🇸 893 64 2,395ms 13 Nov 2024 240th pardouin 🇫🇷 893 64 2,260ms 16 Feb 2026 244th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 244th IanUtley 893 67 66ms 9 May 2024 246th JayXon 🇺🇸 892 79 457ms 28 Feb 2022 246th Steffan153 🇫🇮 892 79 464ms 23 Mar 2023 246th Lydxn 🇨🇦 892 79 469ms 23 Mar 2023 246th sean-niemann 🇺🇸 892 79 469ms 23 Sep 2023 250th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 251st Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 251st sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 251st primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 251st Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 251st DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 256th prplz 🇦🇺 890 69 430ms 21 Nov 2021 256th DialFrost 🇸🇬 890 69 434ms 7 Nov 2025 258th zacjl 890 70 8ms 11 Mar 2026 259th Lydxn 🇨🇦 890 75 124ms 12 Jul 2021 260th Steffan153 🇫🇮 890 81 61ms 23 Mar 2023 260th sean-niemann 🇺🇸 890 81 51ms 23 Sep 2023 262nd Shanethegamer 🇺🇸 889 72 1,416ms 19 Jan 2025 263rd Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 263rd GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 265th GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 266th inventshah 887 74 9ms 19 Sep 2022 266th albanian-laundromat 🇺🇸 887 74 11ms 7 days ago 268th emplv 🇱🇻 887 97 26ms 27 Jul 2023 269th GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 270th primo-ppcg 🇹🇭 886 81 39ms 2 May 2025 271st DialFrost 🇸🇬 886 99 408ms 7 Nov 2025 272nd o0lit3 🇺🇸 885 42 3ms 13 Jun 2022 272nd DaCuteRaccoon 885 42 4ms 9 Dec 2022 272nd DialFrost 🇸🇬 885 42 4ms 1 Feb 2023 272nd MeWhenI 🇻🇦 885 42 3ms 16 Apr 2023 272nd nwellnhof 🇩🇪 885 42 3ms 29 May 2023 272nd xsot 🇸🇬 885 42 4ms 27 Jun 2025 272nd blaztoma 🇱🇹 885 42 3ms 12 Jan 2026 279th clockworknazo 885 83 17ms 26 Sep 2022 279th GrayJoKing 🇦🇺 885 83 16ms 12 Feb 2023 281st DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 282nd razetime 882 17 2ms 12 Jan 2022 283rd sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 283rd Lydxn 🇨🇦 882 45 5ms 17 Jan 2021 283rd emplv 🇱🇻 882 45 5ms 17 Jan 2021 283rd GrayJoKing 🇦🇺 882 45 6ms 21 Sep 2021 283rd DaCuteRaccoon 882 45 6ms 9 Dec 2022 283rd DialFrost 🇸🇬 882 45 5ms 1 Feb 2023 283rd janbehrens 🇩🇪 882 45 6ms 16 May 2023 290th GrayJoKing 🇦🇺 882 57 12ms 17 Jan 2021 290th btjones0 882 57 12ms 17 Jan 2021 290th hallvabo 🇳🇴 882 57 11ms 18 Jan 2021 290th TFeld00 🇩🇰 882 57 11ms 18 Jan 2021 290th primo-ppcg 🇹🇭 882 57 11ms 18 Jan 2021 290th prplz 🇦🇺 882 57 14ms 21 Jan 2021 290th OllieBoyne 🇬🇧 882 57 12ms 22 Jan 2021 290th KatieLG 🇬🇧 882 57 12ms 23 Jan 2021 290th hiddicop 🇸🇪 882 57 12ms 29 Jan 2021 290th anter69 🇭🇺 882 57 12ms 3 Feb 2021 290th lynn 882 57 15ms 6 Mar 2021 290th kops-cg 882 57 11ms 8 Apr 2021 290th clementblaudeau 882 57 11ms 1 Jun 2021 290th orthoplex 🇨🇽 882 57 13ms 29 Jul 2021 290th jared-hughes 882 57 12ms 14 Aug 2021 290th michelebastione 🇮🇹 882 57 14ms 16 Aug 2021 290th RYNO8 882 57 10ms 4 Sep 2021 290th Indivicivet 882 57 11ms 26 Oct 2021 290th annaproxy 882 57 12ms 8 Dec 2021 290th Fishron 882 57 15ms 22 Dec 2021 290th MeWhenI 🇻🇦 882 57 11ms 25 Dec 2021 290th bricknellj 882 57 15ms 14 Jan 2022 290th scpchicken 🇵🇼 882 57 11ms 12 Mar 2022 290th pascscha 882 57 15ms 28 Apr 2022 290th jgygax 882 57 17ms 28 Apr 2022 290th stefangimmillaro 882 57 11ms 13 May 2022 290th inventshah 882 57 11ms 19 Sep 2022 290th LogicalJoe 882 57 13ms 19 Sep 2022 290th lzahray 882 57 36ms 21 Oct 2022 290th thehylian 882 57 11ms 10 Jan 2023 290th 5cw 🇺🇸 882 57 11ms 10 Apr 2023 First Prev 241–320 of 2,044 Next Last