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 291st 5cw 🇺🇸 881 57 11ms 10 Apr 2023 291st xsot 🇸🇬 881 57 25ms 26 Apr 2023 291st Rubiksmath 881 57 12ms 14 Aug 2023 291st kg583 🇺🇸 881 57 25ms 26 Sep 2023 291st bzijlema 🇳🇱 881 57 14ms 15 Nov 2023 291st janbehrens 🇩🇪 881 57 13ms 30 Dec 2023 291st mathisfun271 881 57 11ms 4 Feb 2024 291st duckyluuk 🇳🇱 881 57 25ms 6 Feb 2024 291st Yewzir 🇧🇪 881 57 16ms 29 Feb 2024 291st elgan65536 🇺🇸 881 57 11ms 4 Apr 2024 291st thienudomsrirungruang 881 57 11ms 27 Apr 2024 291st SirBogman 🇺🇸 881 57 14ms 10 Jun 2024 291st wuzekai518 881 57 12ms 2 Aug 2024 291st bizy-coder 881 57 36ms 14 Aug 2024 291st jatloe 881 57 11ms 6 Sep 2024 291st 5quiwyrm 881 57 11ms 14 Nov 2024 291st lifthrasiir 🇰🇷 881 57 11ms 15 Nov 2024 291st GolfingSuccess 🇬🇷 881 57 13ms 24 Dec 2024 291st emgordon154 881 57 11ms 23 Apr 2025 291st qpwoeirut 881 57 14ms 11 Aug 2025 291st michaelmgreer 881 57 11ms 9 Oct 2025 291st Babafaba 881 57 13ms 19 Nov 2025 291st CaedenHarper 🇨🇦 881 57 11ms 9 Dec 2025 291st cros107 🇦🇺 881 57 15ms 31 Dec 2025 291st KasperKivimaeki 🇫🇮 881 57 14ms 3 Jan 2026 291st blaztoma 🇱🇹 881 57 12ms 11 Jan 2026 291st ryyyn 🇺🇸 881 57 36ms 21 Jan 2026 291st StefanHabel 🇨🇦 881 57 13ms 1 Mar 2026 291st Flekay 🇩🇪 881 57 13ms 13 days ago 291st edsrzf 🇳🇿 881 57 12ms 4 days ago 351st SirBogman 🇺🇸 880 22 3ms 30 Sep 2022 352nd tomtheisen 🇺🇸 880 53 11ms 18 Jan 2021 352nd prplz 🇦🇺 880 53 10ms 24 Jan 2021 352nd jakzo 880 53 11ms 5 Sep 2021 352nd ovs-code 🇩🇪 880 53 15ms 5 Oct 2023 352nd dokutan 880 53 10ms 18 Jul 2025 357th GrayJoKing 🇦🇺 880 73 38ms 27 Jun 2022 357th primo-ppcg 🇹🇭 880 73 38ms 28 Jun 2022 359th namelessiw 880 78 368ms 2 Oct 2025 359th Yewzir 🇧🇪 880 78 377ms 2 Oct 2025 361st Steffan153 🇫🇮 880 94 49ms 18 Jan 2023 362nd GrayJoKing 🇦🇺 879 63 7ms 31 Jan 2025 363rd m-tkach 🇺🇦 879 107 17ms 17 May 2022 364th zacjl 878 72 40ms 13 Feb 2025 365th primo-ppcg 🇹🇭 878 78 4ms 2 May 2023 366th primo-ppcg 🇹🇭 877 28 44ms 30 Sep 2022 367th saito-ta 🇯🇵 877 55 3ms 26 May 2022 367th nwellnhof 🇩🇪 877 55 3ms 13 May 2023 369th namelessiw 877 70 394ms 18 Jul 2025 370th Steffan153 🇫🇮 877 89 110ms 18 Aug 2024 371st emplv 🇱🇻 877 100 343ms 18 Jan 2022 371st stefangimmillaro 877 100 304ms 21 Jun 2023 373rd JayXon 🇺🇸 876 127 1,725ms 22 Apr 2024 374th stefangimmillaro 875 82 39ms 26 Apr 2025 375th Lydxn 🇨🇦 874 55 465ms 16 Jan 2024 375th m-tkach 🇺🇦 874 55 388ms 20 Jan 2024 375th JayXon 🇺🇸 874 55 503ms 21 Jan 2024 375th sean-niemann 🇺🇸 874 55 488ms 26 Jan 2025 375th Steffan153 🇫🇮 874 55 541ms 13 Feb 2026 380th JayXon 🇺🇸 874 57 149ms 1 May 2023 380th primo-ppcg 🇹🇭 874 57 151ms 1 May 2023 382nd jared-hughes 874 126 15ms 7 Jul 2024 383rd MeWhenI 🇻🇦 873 83 12ms 18 Jan 2026 384th Irratix 🇳🇱 872 62 2ms 20 Dec 2021 384th ovs-code 🇩🇪 872 62 2ms 8 May 2023 384th sean-niemann 🇺🇸 872 62 2ms 18 Dec 2023 387th btjones0 871 87 116ms 26 Jan 2021 387th lynn 871 87 121ms 7 Jul 2024 389th ovs-code 🇩🇪 870 81 458ms 15 Jun 2024 389th DialFrost 🇸🇬 870 81 463ms 7 Nov 2025 391st ovs-code 🇩🇪 869 43 92ms 21 Dec 2022 392nd stefangimmillaro 868 79 104ms 21 Jun 2023 393rd Irratix 🇳🇱 868 83 57ms 3 Jan 2022 393rd ovs-code 🇩🇪 868 83 58ms 3 Jun 2024 393rd DialFrost 🇸🇬 868 83 52ms 7 Nov 2025 396th lukegustafson 🇺🇸 867 53 154ms 17 Jun 2025 397th GrayJoKing 🇦🇺 867 90 100ms 9 Jun 2022 398th Espiobest 866 58 11ms 13 Mar 2021 398th MaxElf999 866 58 11ms 3 Oct 2022 398th Shanethegamer 🇺🇸 866 58 30ms 18 Jan 2023 First Prev 321–400 of 2,016 Next Last