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 719th dokutan 773 70 2ms 18 Jul 2025 722nd MeWhenI 🇻🇦 772 89 95ms 25 Dec 2022 723rd MeWhenI 🇻🇦 771 47 247ms 28 Jan 2023 724th emgordon154 768 32 43ms 19 Oct 2025 725th LostSyntax21 🇬🇧 768 55 36ms 2 Oct 2024 726th Shanethegamer 🇺🇸 767 65 147ms 22 May 2021 727th lynn 767 78 152ms 16 Nov 2021 728th rucin93 🇵🇱 766 60 143ms 9 Aug 2024 729th retrohun 766 63 102ms 23 Jan 2023 730th MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 731st albanian-laundromat 🇺🇸 764 60 1,006ms 1 Oct 2025 732nd Waffle3z 764 61 10ms 20 Jan 2021 732nd didion0 🇺🇸 764 61 12ms 9 Feb 2021 732nd KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 732nd tayloia 🇬🇧 764 61 10ms 29 May 2022 736th ScottHamper 763 90 502ms 30 Nov 2025 737th kcinnu 🇱🇹 762 146 1,731ms 17 May 2024 738th ArmaanAS 761 66 12ms 4 Apr 2021 738th quimey 761 66 11ms 23 Jun 2023 738th firegene 🇮🇪 761 66 27ms 24 Feb 2026 741st edsrzf 🇳🇿 761 82 9ms 23 days ago 742nd antimon2 🇯🇵 760 65 517ms 19 Jan 2021 743rd SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 743rd strout 760 86 124ms 15 Dec 2023 745th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 745th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 747th duckyluuk 🇳🇱 759 73 7ms 16 Dec 2024 748th janbehrens 🇩🇪 759 93 460ms 24 Mar 2022 749th edsrzf 🇳🇿 756 97 37ms 16 days ago 750th Shanethegamer 🇺🇸 755 63 4ms 13 Aug 2024 750th emgordon154 755 63 4ms 25 Aug 2024 752nd RockOfStone 755 81 2ms 4 Nov 2021 752nd dokutan 755 81 2ms 18 Jul 2025 754th olivermrose 🇺🇸 754 56 37ms 21 Sep 2021 755th lynn 754 85 1,297ms 12 Sep 2021 756th edsrzf 🇳🇿 754 91 7ms 23 days ago 757th sean-niemann 🇺🇸 753 61 159ms 17 Jun 2025 758th CaedenHarper 🇨🇦 752 61 1,009ms 11 Feb 2026 759th ScottHamper 752 62 12ms 1 Jun 2021 759th helbling 🇨🇭 752 62 12ms 2 Oct 2024 761st Mabeloid 🇳🇴 752 64 398ms 17 Sep 2024 762nd Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 763rd Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 764th cipharius 751 87 169ms 19 Jan 2021 765th msbranicky 750 67 15ms 21 Aug 2023 765th Matter1024 🇮🇳 750 67 13ms 14 days ago 767th arctouch-cristiannevianna 750 82 389ms 22 Nov 2023 768th CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 769th emgordon154 749 115 27ms 14 days ago 770th kg583 🇺🇸 746 85 40ms 13 Feb 2025 771st GolfingSuccess 🇬🇷 745 33 49ms 22 Jul 2022 772nd DialFrost 🇸🇬 742 99 1,084ms 8 Mar 2024 773rd SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 774th jared-hughes 741 57 37ms 9 Sep 2022 775th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 776th Yewzir 🇧🇪 740 62 1,121ms 16 Nov 2025 777th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 777th GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 779th AlephSquirrel 740 99 10ms 18 Jan 2025 780th DialFrost 🇸🇬 739 49 276ms 25 Jun 2024 781st Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 781st Bonjour27891 🇻🇳 739 68 39ms 1 Sep 2022 781st trist224 🇫🇷 739 68 49ms 18 Oct 2022 781st mousetail 🇳🇱 739 68 33ms 11 Aug 2023 781st Command-Master 739 68 39ms 24 Sep 2023 781st madex 🇩🇪 739 68 26ms 6 days ago 787th MeWhenI 🇻🇦 738 93 4ms 22 May 2023 788th primo-ppcg 🇹🇭 737 117 25ms 14 Jul 2021 789th Omega65536 🇩🇪 736 103 145ms 24 Nov 2022 790th Steffan153 🇫🇮 734 51 82ms 18 Dec 2022 791st guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 791st annaproxy 734 89 148ms 17 Aug 2022 791st Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 791st snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 795th Shanethegamer 🇺🇸 733 88 108ms 15 Oct 2022 796th CaedenHarper 🇨🇦 732 84 392ms 17 Oct 2025 797th ovs-code 🇩🇪 731 49 171ms 2 Jan 2024 798th Shanethegamer 🇺🇸 731 74 2ms 18 May 2022 799th dokutan 730 118 25ms 18 Jul 2025 800th dvik72 729 64 11ms 1 Jun 2022 First Prev 721–800 of 2,054 Next Last