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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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim 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 197th stefangimmillaro 903 68 388ms 18 Sep 2023 197th sean-niemann 🇺🇸 903 68 416ms 21 Sep 2023 203rd DialFrost 🇸🇬 903 76 545ms 7 Nov 2025 204th JayXon 🇺🇸 902 60 2ms 24 Jan 2021 204th nwellnhof 🇩🇪 902 60 2ms 13 Jul 2022 204th emplv 🇱🇻 902 60 2ms 28 Jul 2023 207th JayXon 🇺🇸 901 51 126ms 17 Jun 2025 208th GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 208th Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 208th clockworknazo 901 73 11ms 19 Sep 2022 208th JayXon 🇺🇸 901 73 3ms 28 Sep 2022 208th Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 208th sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 208th Steffan153 🇫🇮 901 73 11ms 26 days ago 208th albanian-laundromat 🇺🇸 901 73 11ms 8 days ago 216th nwellnhof 🇩🇪 901 80 57ms 13 Jul 2022 217th Steffan153 🇫🇮 900 52 31ms 8 days ago 217th DayDun 🇸🇪 900 52 6ms 8 days ago 219th pardouin 🇫🇷 899 51 1,452ms 13 Apr 2025 220th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 221st stefangimmillaro 898 47 48ms 23 Mar 2023 221st Natanaelel 🇸🇪 898 47 41ms 11 Apr 2023 221st m-tkach 🇺🇦 898 47 39ms 16 Jun 2023 224th Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 224th sean-niemann 🇺🇸 898 60 3ms 31 Jan 2025 226th sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 226th Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 228th GrayJoKing 🇦🇺 897 52 10ms 20 Jan 2021 228th janbehrens 🇩🇪 897 52 10ms 1 Aug 2021 228th inventshah 897 52 10ms 18 Jun 2022 228th dmrichwa 🇺🇸 897 52 10ms 28 Jul 2023 232nd btnlq 897 56 11ms 17 Jan 2021 232nd jacklynnepenick 897 56 13ms 19 Aug 2021 232nd sisyphus-ppcg 🇦🇺 897 56 28ms 23 Mar 2023 232nd DialFrost 🇸🇬 897 56 33ms 3 Oct 2023 232nd Seek64 🇩🇪 897 56 25ms 9 Mar 2026 237th GrayJoKing 🇦🇺 896 40 138ms 9 May 2024 238th Steffan153 🇫🇮 895 98 320ms 10 Feb 2023 238th sean-niemann 🇺🇸 895 98 358ms 21 Sep 2023 240th emplv 🇱🇻 894 72 108ms 28 Jul 2023 240th Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 242nd CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 242nd zacjl 894 82 9ms 24 Feb 2025 244th inventshah 893 64 2,314ms 27 Oct 2024 244th stefangimmillaro 893 64 2,432ms 13 Nov 2024 244th JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 244th pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 248th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 248th IanUtley 893 67 66ms 9 May 2024 250th JayXon 🇺🇸 892 79 457ms 28 Feb 2022 250th Steffan153 🇫🇮 892 79 464ms 23 Mar 2023 250th Lydxn 🇨🇦 892 79 469ms 23 Mar 2023 250th sean-niemann 🇺🇸 892 79 469ms 23 Sep 2023 254th Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 255th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 256th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 256th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 256th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 256th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 256th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 261st prplz 🇦🇺 890 69 408ms 21 Nov 2021 261st DialFrost 🇸🇬 890 69 451ms 7 Nov 2025 263rd zacjl 890 70 8ms 11 Mar 2026 264th Steffan153 🇫🇮 890 81 59ms 23 Mar 2023 264th sean-niemann 🇺🇸 890 81 61ms 23 Sep 2023 266th Steffan153 🇫🇮 889 42 109ms 8 days ago 267th Shanethegamer 🇺🇸 889 72 1,598ms 19 Jan 2025 268th inventshah 889 74 9ms 19 Sep 2022 269th Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 269th GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 271st GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 272nd clockworknazo 887 83 17ms 26 Sep 2022 272nd GrayJoKing 🇦🇺 887 83 16ms 12 Feb 2023 274th emplv 🇱🇻 887 97 26ms 27 Jul 2023 275th GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 276th primo-ppcg 🇹🇭 886 81 39ms 2 May 2025 277th DialFrost 🇸🇬 886 99 408ms 7 Nov 2025 278th o0lit3 🇺🇸 885 42 3ms 13 Jun 2022 278th DaCuteRaccoon 885 42 4ms 9 Dec 2022 278th DialFrost 🇸🇬 885 42 4ms 1 Feb 2023 278th MeWhenI 🇻🇦 885 42 3ms 16 Apr 2023 278th nwellnhof 🇩🇪 885 42 3ms 29 May 2023 278th xsot 🇸🇬 885 42 4ms 27 Jun 2025 278th blaztoma 🇱🇹 885 42 3ms 12 Jan 2026 285th ovs-code 🇩🇪 883 53 9ms 30 Oct 2024 286th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 287th razetime 882 17 2ms 12 Jan 2022 288th sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 288th Lydxn 🇨🇦 882 45 5ms 17 Jan 2021 288th emplv 🇱🇻 882 45 5ms 17 Jan 2021 288th GrayJoKing 🇦🇺 882 45 6ms 21 Sep 2021 288th DaCuteRaccoon 882 45 6ms 9 Dec 2022 288th DialFrost 🇸🇬 882 45 5ms 1 Feb 2023 288th janbehrens 🇩🇪 882 45 6ms 16 May 2023 295th GrayJoKing 🇦🇺 882 57 12ms 17 Jan 2021 295th btjones0 882 57 12ms 17 Jan 2021 295th hallvabo 🇳🇴 882 57 11ms 18 Jan 2021 295th TFeld00 🇩🇰 882 57 11ms 18 Jan 2021 295th primo-ppcg 🇹🇭 882 57 11ms 18 Jan 2021 295th prplz 🇦🇺 882 57 14ms 21 Jan 2021 First Prev 201–300 of 2,030 Next Last