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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 Calendar 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 Multitap Input 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 374th Shanethegamer 🇺🇸 866 58 29ms 18 Jan 2023 374th Alex-x90 🇺🇸 866 58 28ms 23 Mar 2023 374th neel11235813 866 58 28ms 24 Mar 2023 374th Natanaelel 🇸🇪 866 58 11ms 11 Apr 2023 374th InigoK 🇺🇸 866 58 28ms 28 May 2023 374th jmerle 🇳🇱 866 58 29ms 3 Jul 2023 374th ndren 866 58 30ms 4 Aug 2023 374th FlorianCassayre 🇫🇷 866 58 19ms 13 Sep 2023 374th Kacarott 🇦🇺 866 58 28ms 13 Oct 2023 374th m42km 866 58 29ms 25 Nov 2023 374th StefanHabel 🇨🇦 866 58 12ms 20 Apr 2024 374th NickTheEASDude 🇺🇸 866 58 29ms 1 Jul 2024 374th namelessiw 866 58 29ms 27 Jul 2024 374th edsrzf 🇳🇿 866 58 19ms 22 Nov 2024 374th ryyyn 🇺🇸 866 58 27ms 6 Jan 2025 374th croc54 866 58 28ms 9 Jan 2025 374th andrewjc2000 866 58 30ms 11 Mar 2025 374th Mukundan314 866 58 28ms 27 Apr 2025 374th fkantelberg 866 58 20ms 12 Jul 2025 374th wuduculfre 866 58 29ms 22 Jul 2025 374th cros107 🇦🇺 866 58 10ms 16 Sep 2025 374th HETHAT 🇩🇿 866 58 29ms 24 Sep 2025 374th blaztoma 🇱🇹 866 58 29ms 30 Sep 2025 374th CornerMercury 🇬🇧 866 58 30ms 15 days ago 374th snoozingnewt 🇨🇦 866 58 20ms 8 days ago 401st MeWhenI 🇻🇦 866 87 11ms 30 Oct 2021 402nd lukegustafson 🇺🇸 865 53 152ms 17 Jun 2025 403rd stefangimmillaro 865 79 92ms 21 Jun 2023 404th janbehrens 🇩🇪 864 43 3ms 18 Jan 2021 405th Shanethegamer 🇺🇸 864 53 1,128ms 23 May 2021 405th MeWhenI 🇻🇦 864 53 996ms 16 Mar 2022 407th GrayJoKing 🇦🇺 864 90 93ms 9 Jun 2022 408th DaCuteRaccoon 863 54 9ms 9 Dec 2022 409th bitsandbeyond 🇳🇱 861 42 174ms 27 Oct 2025 410th sisyphus-ppcg 🇦🇺 861 56 2ms 12 Jul 2022 411th DialFrost 🇸🇬 861 76 3ms 14 Sep 2024 412th primo-ppcg 🇹🇭 860 49 43ms 18 Jan 2022 413th GrayJoKing 🇦🇺 859 96 33ms 18 Jan 2023 413th lynn 859 96 39ms 6 Aug 2023 415th edsrzf 🇳🇿 857 53 747ms 31 Aug 2025 415th DialFrost 🇸🇬 857 53 800ms 1 Sep 2025 417th DialFrost 🇸🇬 857 56 404ms 15 Jan 2024 417th Steffan153 🇫🇮 857 56 415ms 16 Jan 2024 417th duckyluuk 🇳🇱 857 56 412ms 27 Mar 2024 420th Steffan153 🇫🇮 857 63 2ms 23 Mar 2023 420th stefangimmillaro 857 63 2ms 18 Sep 2023 420th xsot 🇸🇬 857 63 2ms 6 May 2025 420th KasperKivimaeki 🇫🇮 857 63 2ms 14 Aug 2025 424th MeWhenI 🇻🇦 857 80 443ms 7 Nov 2025 425th jared-hughes 857 84 52ms 31 Jul 2022 425th inventshah 857 84 55ms 17 Nov 2022 427th primo-ppcg 🇹🇭 857 195 11ms 2 Aug 2023 428th Lydxn 🇨🇦 855 100 25ms 13 Oct 2023 429th Lydxn 🇨🇦 854 63 2ms 15 Jan 2024 429th JayXon 🇺🇸 854 63 4ms 29 Jan 2024 429th rucin93 🇵🇱 854 63 2ms 20 days ago 432nd primo-ppcg 🇹🇭 854 78 122ms 27 Mar 2021 432nd Shanethegamer 🇺🇸 854 78 125ms 18 Mar 2023 432nd Ripick 854 78 172ms 2 Jun 2025 435th sean-niemann 🇺🇸 854 80 93ms 21 Sep 2023 435th Yewzir 🇧🇪 854 80 80ms 16 Nov 2023 437th nwellnhof 🇩🇪 852 43 206ms 21 Oct 2021 437th primo-ppcg 🇹🇭 852 43 210ms 22 Apr 2022 439th MeWhenI 🇻🇦 852 84 40ms 29 Apr 2025 440th marcin7Cd 851 59 10ms 16 Jan 2021 440th rak1507 🇬🇧 851 59 10ms 20 Jan 2021 440th AlephSquirrel 851 59 10ms 13 May 2021 440th rschwa6308 🇺🇸 851 59 10ms 28 Jun 2021 440th NewDefectus 🇮🇱 851 59 13ms 25 Oct 2021 440th jacksonhenry3 851 59 13ms 21 Dec 2021 440th NicoAdams 851 59 14ms 21 Dec 2021 440th aksyristos 851 59 11ms 28 Feb 2023 440th BREMAUCY 🇫🇷 851 59 11ms 27 Apr 2023 440th 2011-Chan-Ethan 851 59 10ms 17 Jul 2023 440th MarcMush 🇫🇷 851 59 10ms 12 Feb 2024 First Prev 376–450 of 1,881 Next Last