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 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 Dragon Curve 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 712th robin-scragg 773 65 16ms 21 Oct 2025 722nd mousetail 🇳🇱 773 98 122ms 3 Oct 2024 723rd c0d3-4-F00d 🇩🇪 772 70 2ms 18 Mar 2022 723rd Alex-x90 🇺🇸 772 70 2ms 6 Mar 2023 723rd dokutan 772 70 2ms 18 Jul 2025 726th MeWhenI 🇻🇦 771 89 102ms 25 Dec 2022 727th MeWhenI 🇻🇦 770 47 297ms 28 Jan 2023 728th emgordon154 768 32 47ms 19 Oct 2025 729th LostSyntax21 🇬🇧 768 55 45ms 2 Oct 2024 730th lynn 767 78 152ms 16 Nov 2021 731st rucin93 🇵🇱 766 60 127ms 9 Aug 2024 732nd retrohun 766 63 114ms 23 Jan 2023 733rd Shanethegamer 🇺🇸 766 65 147ms 22 May 2021 734th MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 735th Waffle3z 764 61 14ms 20 Jan 2021 735th didion0 🇺🇸 764 61 9ms 9 Feb 2021 735th KrausRaus 🇺🇸 764 61 11ms 19 Feb 2021 735th tayloia 🇬🇧 764 61 10ms 29 May 2022 739th albanian-laundromat 🇺🇸 763 60 1,006ms 1 Oct 2025 740th ScottHamper 763 90 502ms 30 Nov 2025 741st edsrzf 🇳🇿 763 96 10ms 5 days ago 742nd ArmaanAS 761 66 12ms 4 Apr 2021 742nd quimey 761 66 11ms 23 Jun 2023 742nd firegene 🇮🇪 761 66 25ms 24 Feb 2026 745th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 745th strout 760 86 124ms 15 Dec 2023 747th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 747th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 749th duckyluuk 🇳🇱 759 73 9ms 16 Dec 2024 750th edsrzf 🇳🇿 759 82 8ms 20 Mar 2026 751st janbehrens 🇩🇪 757 93 460ms 24 Mar 2022 752nd olivermrose 🇺🇸 754 56 41ms 21 Sep 2021 753rd RockOfStone 754 81 2ms 4 Nov 2021 753rd dokutan 754 81 2ms 18 Jul 2025 755th sean-niemann 🇺🇸 753 61 129ms 17 Jun 2025 756th ScottHamper 752 62 10ms 1 Jun 2021 756th helbling 🇨🇭 752 62 16ms 2 Oct 2024 758th edsrzf 🇳🇿 752 91 7ms 20 Mar 2026 759th Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 760th Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 761st Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 762nd cipharius 751 87 169ms 19 Jan 2021 763rd CaedenHarper 🇨🇦 750 61 1,009ms 11 Feb 2026 764th msbranicky 750 67 15ms 21 Aug 2023 764th Matter1024 🇮🇳 750 67 13ms 25 days ago 766th CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 767th arctouch-cristiannevianna 749 82 385ms 22 Nov 2023 768th emgordon154 748 115 27ms 25 days ago 769th GolfingSuccess 🇬🇷 745 33 50ms 22 Jul 2022 770th Shanethegamer 🇺🇸 743 63 4ms 13 Aug 2024 770th emgordon154 743 63 4ms 25 Aug 2024 772nd kg583 🇺🇸 743 85 40ms 13 Feb 2025 772nd edsrzf 🇳🇿 743 85 37ms 5 days ago 774th DialFrost 🇸🇬 742 99 1,084ms 8 Mar 2024 775th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 776th jared-hughes 741 57 42ms 9 Sep 2022 777th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 778th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 778th GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 780th AlephSquirrel 740 99 10ms 18 Jan 2025 781st DialFrost 🇸🇬 739 49 213ms 25 Jun 2024 782nd Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 782nd Bonjour27891 🇻🇳 739 68 39ms 1 Sep 2022 782nd trist224 🇫🇷 739 68 49ms 18 Oct 2022 782nd mousetail 🇳🇱 739 68 33ms 11 Aug 2023 782nd Command-Master 739 68 39ms 24 Sep 2023 782nd madex 🇩🇪 739 68 26ms 18 days ago 788th Yewzir 🇧🇪 738 62 1,121ms 16 Nov 2025 789th MeWhenI 🇻🇦 736 93 4ms 22 May 2023 790th Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 791st primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 792nd guliyevemil1 🇦🇿 734 89 124ms 11 Feb 2021 792nd annaproxy 734 89 148ms 17 Aug 2022 792nd Shanethegamer 🇺🇸 734 89 116ms 20 Jan 2024 792nd snoozingnewt 🇨🇦 734 89 118ms 9 Dec 2025 796th ovs-code 🇩🇪 731 49 171ms 2 Jan 2024 797th Shanethegamer 🇺🇸 731 74 2ms 18 May 2022 798th CaedenHarper 🇨🇦 731 84 432ms 17 Oct 2025 799th Shanethegamer 🇺🇸 731 88 117ms 15 Oct 2022 800th dvik72 729 64 10ms 1 Jun 2022 First Prev 721–800 of 2,052 Next Last