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 241st GrayJoKing 🇦🇺 891 67 64ms 23 Mar 2023 241st IanUtley 891 67 66ms 9 May 2024 243rd JayXon 🇺🇸 890 79 457ms 28 Feb 2022 243rd Steffan153 🇫🇮 890 79 451ms 23 Mar 2023 243rd Lydxn 🇨🇦 890 79 469ms 23 Mar 2023 243rd sean-niemann 🇺🇸 890 79 469ms 23 Sep 2023 247th Lydxn 🇨🇦 889 45 2ms 30 Oct 2022 247th sean-niemann 🇺🇸 889 45 2ms 31 Oct 2022 247th primo-ppcg 🇹🇭 889 45 2ms 7 Nov 2022 247th Steffan153 🇫🇮 889 45 2ms 11 Apr 2023 247th DialFrost 🇸🇬 889 45 2ms 21 Dec 2024 252nd prplz 🇦🇺 889 69 394ms 21 Nov 2021 252nd DialFrost 🇸🇬 889 69 387ms 7 Nov 2025 254th Shanethegamer 🇺🇸 889 72 1,510ms 19 Jan 2025 255th Steffan153 🇫🇮 889 81 59ms 23 Mar 2023 255th sean-niemann 🇺🇸 889 81 60ms 23 Sep 2023 257th zacjl 888 70 14ms 6 days ago 258th Lydxn 🇨🇦 888 75 124ms 12 Jul 2021 259th JayXon 🇺🇸 887 77 92ms 19 Feb 2021 260th Kacarott 🇦🇺 886 70 60ms 9 Dec 2025 260th GrayJoKing 🇦🇺 886 70 62ms 9 Dec 2025 262nd GrayJoKing 🇦🇺 885 59 12ms 8 Aug 2023 263rd inventshah 885 74 9ms 19 Sep 2022 264th DialFrost 🇸🇬 885 99 299ms 7 Nov 2025 265th o0lit3 🇺🇸 884 42 3ms 13 Jun 2022 265th DaCuteRaccoon 884 42 4ms 9 Dec 2022 265th DialFrost 🇸🇬 884 42 4ms 1 Feb 2023 265th MeWhenI 🇻🇦 884 42 4ms 16 Apr 2023 265th nwellnhof 🇩🇪 884 42 4ms 29 May 2023 265th xsot 🇸🇬 884 42 4ms 27 Jun 2025 265th blaztoma 🇱🇹 884 42 3ms 12 Jan 2026 272nd GrayJoKing 🇦🇺 884 69 1ms 9 Apr 2022 273rd primo-ppcg 🇹🇭 884 81 39ms 2 May 2025 274th clockworknazo 883 83 17ms 26 Sep 2022 274th GrayJoKing 🇦🇺 883 83 16ms 12 Feb 2023 276th emplv 🇱🇻 883 97 26ms 27 Jul 2023 277th razetime 882 17 2ms 12 Jan 2022 278th DialFrost 🇸🇬 882 74 116ms 28 Apr 2025 279th sisyphus-ppcg 🇦🇺 881 45 7ms 17 Jan 2021 279th Lydxn 🇨🇦 881 45 6ms 17 Jan 2021 279th emplv 🇱🇻 881 45 6ms 17 Jan 2021 279th GrayJoKing 🇦🇺 881 45 6ms 21 Sep 2021 279th DaCuteRaccoon 881 45 6ms 9 Dec 2022 279th DialFrost 🇸🇬 881 45 7ms 1 Feb 2023 279th janbehrens 🇩🇪 881 45 5ms 16 May 2023 286th GrayJoKing 🇦🇺 881 57 10ms 17 Jan 2021 286th btjones0 881 57 11ms 17 Jan 2021 286th hallvabo 🇳🇴 881 57 11ms 18 Jan 2021 286th TFeld00 🇩🇰 881 57 11ms 18 Jan 2021 286th primo-ppcg 🇹🇭 881 57 10ms 18 Jan 2021 286th prplz 🇦🇺 881 57 13ms 21 Jan 2021 286th OllieBoyne 🇬🇧 881 57 10ms 22 Jan 2021 286th KatieLG 🇬🇧 881 57 11ms 23 Jan 2021 286th hiddicop 🇸🇪 881 57 11ms 29 Jan 2021 286th anter69 🇭🇺 881 57 12ms 3 Feb 2021 286th lynn 881 57 12ms 6 Mar 2021 286th kops-cg 881 57 11ms 8 Apr 2021 286th clementblaudeau 881 57 11ms 1 Jun 2021 286th orthoplex 🇨🇽 881 57 12ms 29 Jul 2021 286th jared-hughes 881 57 11ms 14 Aug 2021 286th michelebastione 🇮🇹 881 57 12ms 16 Aug 2021 286th RYNO8 881 57 10ms 4 Sep 2021 286th Indivicivet 881 57 11ms 26 Oct 2021 286th annaproxy 881 57 10ms 8 Dec 2021 286th Fishron 881 57 13ms 22 Dec 2021 286th MeWhenI 🇻🇦 881 57 10ms 25 Dec 2021 286th bricknellj 881 57 11ms 14 Jan 2022 286th scpchicken 🇵🇼 881 57 11ms 12 Mar 2022 286th pascscha 881 57 12ms 28 Apr 2022 286th jgygax 881 57 12ms 28 Apr 2022 286th stefangimmillaro 881 57 11ms 13 May 2022 286th inventshah 881 57 11ms 19 Sep 2022 286th LogicalJoe 881 57 10ms 19 Sep 2022 286th lzahray 881 57 31ms 21 Oct 2022 286th thehylian 881 57 11ms 10 Jan 2023 286th 5cw 🇺🇸 881 57 11ms 10 Apr 2023 286th xsot 🇸🇬 881 57 25ms 26 Apr 2023 286th Rubiksmath 881 57 10ms 14 Aug 2023 286th kg583 🇺🇸 881 57 24ms 26 Sep 2023 286th bzijlema 🇳🇱 881 57 11ms 15 Nov 2023 First Prev 241–320 of 1,934 Next Last