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 238th pardouin 🇫🇷 893 64 2,260ms 16 Feb 2026 242nd GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 242nd IanUtley 893 67 66ms 9 May 2024 244th JayXon 🇺🇸 892 79 457ms 28 Feb 2022 244th Steffan153 🇫🇮 892 79 464ms 23 Mar 2023 244th Lydxn 🇨🇦 892 79 469ms 23 Mar 2023 244th sean-niemann 🇺🇸 892 79 469ms 23 Sep 2023 248th Shanethegamer 🇺🇸 891 72 1,444ms 19 Jan 2025 249th JayXon 🇺🇸 891 77 97ms 19 Feb 2021 250th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 250th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 250th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 250th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 250th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 255th prplz 🇦🇺 890 69 394ms 21 Nov 2021 255th DialFrost 🇸🇬 890 69 377ms 7 Nov 2025 257th zacjl 890 70 8ms 11 Mar 2026 258th Lydxn 🇨🇦 890 75 124ms 12 Jul 2021 259th Steffan153 🇫🇮 890 81 61ms 23 Mar 2023 259th sean-niemann 🇺🇸 890 81 51ms 23 Sep 2023 261st Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 261st GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 263rd GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 264th inventshah 887 74 9ms 19 Sep 2022 265th emplv 🇱🇻 887 97 26ms 27 Jul 2023 266th primo-ppcg 🇹🇭 886 81 39ms 2 May 2025 267th DialFrost 🇸🇬 886 99 408ms 7 Nov 2025 268th o0lit3 🇺🇸 885 42 3ms 13 Jun 2022 268th DaCuteRaccoon 885 42 4ms 9 Dec 2022 268th DialFrost 🇸🇬 885 42 4ms 1 Feb 2023 268th MeWhenI 🇻🇦 885 42 3ms 16 Apr 2023 268th nwellnhof 🇩🇪 885 42 3ms 29 May 2023 268th xsot 🇸🇬 885 42 4ms 27 Jun 2025 268th blaztoma 🇱🇹 885 42 3ms 12 Jan 2026 275th GrayJoKing 🇦🇺 885 69 1ms 9 Apr 2022 276th clockworknazo 885 83 17ms 26 Sep 2022 276th GrayJoKing 🇦🇺 885 83 16ms 12 Feb 2023 278th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 279th razetime 882 17 2ms 12 Jan 2022 280th sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 280th Lydxn 🇨🇦 882 45 6ms 17 Jan 2021 280th emplv 🇱🇻 882 45 5ms 17 Jan 2021 280th GrayJoKing 🇦🇺 882 45 5ms 21 Sep 2021 280th DaCuteRaccoon 882 45 5ms 9 Dec 2022 280th DialFrost 🇸🇬 882 45 6ms 1 Feb 2023 280th janbehrens 🇩🇪 882 45 5ms 16 May 2023 287th JayXon 🇺🇸 882 73 111ms 15 Oct 2022 287th Steffan153 🇫🇮 882 73 115ms 7 Dec 2022 287th sean-niemann 🇺🇸 882 73 112ms 20 May 2024 290th Steffan153 🇫🇮 881 54 6ms 18 Aug 2024 291st GrayJoKing 🇦🇺 881 57 12ms 17 Jan 2021 291st btjones0 881 57 12ms 17 Jan 2021 291st hallvabo 🇳🇴 881 57 11ms 18 Jan 2021 291st TFeld00 🇩🇰 881 57 11ms 18 Jan 2021 291st primo-ppcg 🇹🇭 881 57 11ms 18 Jan 2021 291st prplz 🇦🇺 881 57 14ms 21 Jan 2021 291st OllieBoyne 🇬🇧 881 57 12ms 22 Jan 2021 291st KatieLG 🇬🇧 881 57 12ms 23 Jan 2021 291st hiddicop 🇸🇪 881 57 12ms 29 Jan 2021 291st anter69 🇭🇺 881 57 12ms 3 Feb 2021 291st lynn 881 57 15ms 6 Mar 2021 291st kops-cg 881 57 11ms 8 Apr 2021 291st clementblaudeau 881 57 11ms 1 Jun 2021 291st orthoplex 🇨🇽 881 57 13ms 29 Jul 2021 291st jared-hughes 881 57 12ms 14 Aug 2021 291st michelebastione 🇮🇹 881 57 14ms 16 Aug 2021 291st RYNO8 881 57 10ms 4 Sep 2021 291st Indivicivet 881 57 11ms 26 Oct 2021 291st annaproxy 881 57 12ms 8 Dec 2021 291st Fishron 881 57 15ms 22 Dec 2021 291st MeWhenI 🇻🇦 881 57 11ms 25 Dec 2021 291st bricknellj 881 57 15ms 14 Jan 2022 291st scpchicken 🇵🇼 881 57 11ms 12 Mar 2022 291st pascscha 881 57 15ms 28 Apr 2022 291st jgygax 881 57 17ms 28 Apr 2022 291st stefangimmillaro 881 57 11ms 13 May 2022 291st inventshah 881 57 11ms 19 Sep 2022 291st LogicalJoe 881 57 13ms 19 Sep 2022 291st lzahray 881 57 36ms 21 Oct 2022 291st thehylian 881 57 11ms 10 Jan 2023 First Prev 241–320 of 2,016 Next Last