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 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 Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 238th sean-niemann 🇺🇸 890 79 469ms 23 Sep 2023 242nd Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 242nd sean-niemann 🇺🇸 889 45 2ms 31 Oct 2022 242nd primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 242nd Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 242nd DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 247th prplz 🇦🇺 889 69 402ms 21 Nov 2021 247th DialFrost 🇸🇬 889 69 404ms 7 Nov 2025 249th Shanethegamer 🇺🇸 889 72 1,321ms 19 Jan 2025 250th Steffan153 🇫🇮 889 81 60ms 23 Mar 2023 250th sean-niemann 🇺🇸 889 81 57ms 23 Sep 2023 252nd Lydxn 🇨🇦 888 75 124ms 12 Jul 2021 253rd zacjl 887 71 8ms 21 Oct 2024 254th JayXon 🇺🇸 887 77 92ms 19 Feb 2021 255th Kacarott 🇦🇺 886 70 60ms 9 Dec 2025 255th GrayJoKing 🇦🇺 886 70 62ms 9 Dec 2025 257th GrayJoKing 🇦🇺 885 59 12ms 8 Aug 2023 258th inventshah 885 74 9ms 19 Sep 2022 259th DialFrost 🇸🇬 885 99 369ms 7 Nov 2025 260th o0lit3 🇺🇸 884 42 2ms 13 Jun 2022 260th DaCuteRaccoon 884 42 4ms 9 Dec 2022 260th DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 260th MeWhenI 🇻🇦 884 42 3ms 16 Apr 2023 260th nwellnhof 🇩🇪 884 42 3ms 29 May 2023 260th xsot 🇸🇬 884 42 4ms 27 Jun 2025 260th blaztoma 🇱🇹 884 42 3ms 12 Jan 2026 267th GrayJoKing 🇦🇺 884 69 1ms 9 Apr 2022 268th primo-ppcg 🇹🇭 884 81 39ms 2 May 2025 269th clockworknazo 883 83 17ms 26 Sep 2022 269th GrayJoKing 🇦🇺 883 83 16ms 12 Feb 2023 271st emplv 🇱🇻 883 97 26ms 27 Jul 2023 272nd razetime 882 17 2ms 12 Jan 2022 273rd DialFrost 🇸🇬 882 74 116ms 28 Apr 2025 274th sisyphus-ppcg 🇦🇺 881 45 6ms 17 Jan 2021 274th Lydxn 🇨🇦 881 45 5ms 17 Jan 2021 274th emplv 🇱🇻 881 45 5ms 17 Jan 2021 274th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 274th DaCuteRaccoon 881 45 5ms 9 Dec 2022 274th DialFrost 🇸🇬 881 45 5ms 1 Feb 2023 274th janbehrens 🇩🇪 881 45 5ms 16 May 2023 281st GrayJoKing 🇦🇺 881 57 10ms 17 Jan 2021 281st btjones0 881 57 11ms 17 Jan 2021 281st hallvabo 🇳🇴 881 57 11ms 18 Jan 2021 281st TFeld00 🇩🇰 881 57 11ms 18 Jan 2021 281st primo-ppcg 🇹🇭 881 57 10ms 18 Jan 2021 281st prplz 🇦🇺 881 57 13ms 21 Jan 2021 281st OllieBoyne 🇬🇧 881 57 10ms 22 Jan 2021 281st KatieLG 🇬🇧 881 57 11ms 23 Jan 2021 281st hiddicop 🇸🇪 881 57 11ms 29 Jan 2021 281st anter69 🇭🇺 881 57 12ms 3 Feb 2021 281st lynn 881 57 12ms 6 Mar 2021 281st kops-cg 881 57 11ms 8 Apr 2021 281st clementblaudeau 881 57 11ms 1 Jun 2021 281st orthoplex 🇨🇽 881 57 12ms 29 Jul 2021 281st jared-hughes 881 57 11ms 14 Aug 2021 281st michelebastione 🇮🇹 881 57 12ms 16 Aug 2021 281st RYNO8 881 57 10ms 4 Sep 2021 281st Indivicivet 881 57 11ms 26 Oct 2021 281st annaproxy 881 57 10ms 8 Dec 2021 281st Fishron 881 57 13ms 22 Dec 2021 281st MeWhenI 🇻🇦 881 57 10ms 25 Dec 2021 281st bricknellj 881 57 11ms 14 Jan 2022 281st scpchicken 🇵🇼 881 57 11ms 12 Mar 2022 281st pascscha 881 57 12ms 28 Apr 2022 281st jgygax 881 57 12ms 28 Apr 2022 281st stefangimmillaro 881 57 11ms 13 May 2022 281st inventshah 881 57 11ms 19 Sep 2022 281st LogicalJoe 881 57 10ms 19 Sep 2022 281st lzahray 881 57 31ms 21 Oct 2022 281st thehylian 881 57 11ms 10 Jan 2023 281st 5cw 🇺🇸 881 57 11ms 10 Apr 2023 281st xsot 🇸🇬 881 57 25ms 26 Apr 2023 281st Rubiksmath 881 57 10ms 14 Aug 2023 281st kg583 🇺🇸 881 57 24ms 26 Sep 2023 281st bzijlema 🇳🇱 881 57 11ms 15 Nov 2023 281st janbehrens 🇩🇪 881 57 11ms 30 Dec 2023 281st mathisfun271 881 57 10ms 4 Feb 2024 281st duckyluuk 🇳🇱 881 57 25ms 6 Feb 2024 281st Yewzir 🇧🇪 881 57 12ms 29 Feb 2024 281st elgan65536 🇺🇸 881 57 13ms 4 Apr 2024 First Prev 241–320 of 1,927 Next Last