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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 ><> 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 ALGOL 68 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 ><> 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 ALGOL 68 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 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 Apéry’s Constant Binary Lambda Calculus Connect Four Continued Fractions 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 280th SirBogman 🇺🇸 881 57 13ms 10 Jun 2024 280th Seek64 🇩🇪 881 57 11ms 19 Jun 2024 280th wuzekai518 881 57 11ms 2 Aug 2024 280th bizy-coder 881 57 35ms 14 Aug 2024 280th jatloe 881 57 11ms 6 Sep 2024 280th 5quiwyrm 881 57 12ms 14 Nov 2024 280th lifthrasiir 🇰🇷 881 57 11ms 15 Nov 2024 280th GolfingSuccess 🇬🇷 881 57 13ms 24 Dec 2024 280th emgordon154 881 57 13ms 23 Apr 2025 280th qpwoeirut 881 57 14ms 11 Aug 2025 280th michaelmgreer 881 57 12ms 9 Oct 2025 280th Babafaba 881 57 12ms 19 Nov 2025 280th CaedenHarper 🇨🇦 881 57 11ms 9 Dec 2025 280th cros107 🇦🇺 881 57 11ms 31 Dec 2025 280th KasperKivimaeki 🇫🇮 881 57 11ms 3 Jan 2026 280th blaztoma 🇱🇹 881 57 11ms 11 Jan 2026 280th ryyyn 🇺🇸 881 57 31ms 26 days ago 338th SirBogman 🇺🇸 880 22 4ms 30 Sep 2022 339th JayXon 🇺🇸 880 73 109ms 15 Oct 2022 339th Steffan153 🇫🇮 880 73 114ms 7 Dec 2022 339th sean-niemann 🇺🇸 880 73 105ms 20 May 2024 342nd tomtheisen 🇺🇸 879 53 11ms 18 Jan 2021 342nd prplz 🇦🇺 879 53 10ms 24 Jan 2021 342nd jakzo 879 53 10ms 5 Sep 2021 342nd ovs-code 🇩🇪 879 53 11ms 5 Oct 2023 342nd dokutan 879 53 11ms 18 Jul 2025 347th Steffan153 🇫🇮 879 54 8ms 18 Aug 2024 348th namelessiw 879 78 368ms 2 Oct 2025 348th Yewzir 🇧🇪 879 78 377ms 2 Oct 2025 350th Steffan153 🇫🇮 878 94 48ms 18 Jan 2023 351st namelessiw 877 70 389ms 18 Jul 2025 352nd GrayJoKing 🇦🇺 877 73 41ms 27 Jun 2022 352nd primo-ppcg 🇹🇭 877 73 40ms 28 Jun 2022 354th m-tkach 🇺🇦 877 107 17ms 17 May 2022 355th primo-ppcg 🇹🇭 876 28 50ms 30 Sep 2022 356th saito-ta 🇯🇵 876 55 3ms 26 May 2022 356th nwellnhof 🇩🇪 876 55 3ms 13 May 2023 358th GrayJoKing 🇦🇺 876 63 7ms 31 Jan 2025 359th emplv 🇱🇻 876 100 306ms 18 Jan 2022 359th stefangimmillaro 876 100 304ms 21 Jun 2023 361st zacjl 875 72 40ms 13 Feb 2025 362nd primo-ppcg 🇹🇭 875 78 4ms 2 May 2023 363rd Steffan153 🇫🇮 874 89 129ms 18 Aug 2024 364th JayXon 🇺🇸 874 127 1,725ms 22 Apr 2024 365th Lydxn 🇨🇦 873 55 458ms 16 Jan 2024 365th m-tkach 🇺🇦 873 55 441ms 20 Jan 2024 365th JayXon 🇺🇸 873 55 410ms 21 Jan 2024 365th sean-niemann 🇺🇸 873 55 483ms 26 Jan 2025 365th Steffan153 🇫🇮 873 55 427ms 3 days ago 370th stefangimmillaro 873 82 39ms 26 Apr 2025 371st JayXon 🇺🇸 872 57 107ms 1 May 2023 371st primo-ppcg 🇹🇭 872 57 105ms 1 May 2023 373rd Irratix 🇳🇱 872 62 2ms 20 Dec 2021 373rd ovs-code 🇩🇪 872 62 2ms 8 May 2023 373rd sean-niemann 🇺🇸 872 62 2ms 18 Dec 2023 376th jared-hughes 872 126 15ms 7 Jul 2024 377th MeWhenI 🇻🇦 870 83 12ms 18 Jan 2026 378th ovs-code 🇩🇪 868 81 461ms 15 Jun 2024 378th DialFrost 🇸🇬 868 81 463ms 7 Nov 2025 380th Irratix 🇳🇱 868 83 61ms 3 Jan 2022 380th ovs-code 🇩🇪 868 83 55ms 3 Jun 2024 380th DialFrost 🇸🇬 868 83 56ms 7 Nov 2025 383rd btjones0 868 87 135ms 26 Jan 2021 383rd lynn 868 87 127ms 7 Jul 2024 385th ovs-code 🇩🇪 867 43 112ms 21 Dec 2022 386th Espiobest 866 58 11ms 13 Mar 2021 386th MaxElf999 866 58 11ms 3 Oct 2022 386th Shanethegamer 🇺🇸 866 58 33ms 18 Jan 2023 386th Alex-x90 🇺🇸 866 58 30ms 23 Mar 2023 386th neel11235813 866 58 29ms 24 Mar 2023 386th Natanaelel 🇸🇪 866 58 13ms 11 Apr 2023 386th InigoK 🇺🇸 866 58 28ms 28 May 2023 386th jmerle 🇳🇱 866 58 31ms 3 Jul 2023 386th ndren 866 58 34ms 4 Aug 2023 386th FlorianCassayre 🇫🇷 866 58 19ms 13 Sep 2023 386th Kacarott 🇦🇺 866 58 28ms 13 Oct 2023 386th m42km 866 58 28ms 25 Nov 2023 386th StefanHabel 🇨🇦 866 58 13ms 20 Apr 2024 386th NickTheEASDude 🇺🇸 866 58 27ms 1 Jul 2024 386th namelessiw 866 58 30ms 27 Jul 2024 First Prev 321–400 of 1,920 Next Last