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 721st mousetail 🇳🇱 773 98 122ms 3 Oct 2024 722nd c0d3-4-F00d 🇩🇪 772 70 2ms 18 Mar 2022 722nd Alex-x90 🇺🇸 772 70 2ms 6 Mar 2023 722nd dokutan 772 70 2ms 18 Jul 2025 725th MeWhenI 🇻🇦 771 89 102ms 25 Dec 2022 726th MeWhenI 🇻🇦 770 47 297ms 28 Jan 2023 727th emgordon154 768 32 47ms 19 Oct 2025 728th LostSyntax21 🇬🇧 768 55 45ms 2 Oct 2024 729th lynn 767 78 152ms 16 Nov 2021 730th rucin93 🇵🇱 766 60 127ms 9 Aug 2024 731st retrohun 766 63 114ms 23 Jan 2023 732nd Shanethegamer 🇺🇸 766 65 147ms 22 May 2021 733rd MeWhenI 🇻🇦 766 108 27ms 7 Jun 2023 734th Waffle3z 764 61 11ms 20 Jan 2021 734th didion0 🇺🇸 764 61 11ms 9 Feb 2021 734th KrausRaus 🇺🇸 764 61 12ms 19 Feb 2021 734th tayloia 🇬🇧 764 61 10ms 29 May 2022 738th albanian-laundromat 🇺🇸 763 60 1,006ms 1 Oct 2025 739th edsrzf 🇳🇿 763 96 10ms 4 days ago 740th ScottHamper 762 90 502ms 30 Nov 2025 741st ArmaanAS 761 66 12ms 4 Apr 2021 741st quimey 761 66 11ms 23 Jun 2023 741st firegene 🇮🇪 761 66 25ms 24 Feb 2026 744th SirBogman 🇺🇸 760 86 115ms 24 Jan 2021 744th strout 760 86 124ms 15 Dec 2023 746th GolfingSuccess 🇬🇷 759 71 6ms 16 Oct 2023 746th Yewzir 🇧🇪 759 71 3ms 19 Nov 2025 748th duckyluuk 🇳🇱 759 73 8ms 16 Dec 2024 749th edsrzf 🇳🇿 759 82 8ms 20 Mar 2026 750th janbehrens 🇩🇪 757 93 460ms 24 Mar 2022 751st olivermrose 🇺🇸 754 56 44ms 21 Sep 2021 752nd RockOfStone 754 81 2ms 4 Nov 2021 752nd dokutan 754 81 2ms 18 Jul 2025 754th sean-niemann 🇺🇸 753 61 129ms 17 Jun 2025 755th ScottHamper 752 62 11ms 1 Jun 2021 755th helbling 🇨🇭 752 62 11ms 2 Oct 2024 757th edsrzf 🇳🇿 752 91 7ms 20 Mar 2026 758th Lydxn 🇨🇦 752 223 13ms 24 Jun 2021 759th Mabeloid 🇳🇴 751 64 398ms 17 Sep 2024 760th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 761st cipharius 751 87 169ms 19 Jan 2021 762nd CaedenHarper 🇨🇦 750 61 1,009ms 11 Feb 2026 763rd msbranicky 750 67 15ms 21 Aug 2023 763rd Matter1024 🇮🇳 750 67 13ms 25 days ago 765th CaedenHarper 🇨🇦 750 117 328ms 11 Feb 2026 766th arctouch-cristiannevianna 749 82 438ms 22 Nov 2023 767th emgordon154 748 115 27ms 25 days ago 768th GolfingSuccess 🇬🇷 745 33 50ms 22 Jul 2022 769th Shanethegamer 🇺🇸 743 63 4ms 13 Aug 2024 769th emgordon154 743 63 4ms 25 Aug 2024 771st kg583 🇺🇸 743 85 40ms 13 Feb 2025 771st edsrzf 🇳🇿 743 85 37ms 5 days ago 773rd DialFrost 🇸🇬 742 99 1,084ms 8 Mar 2024 774th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 775th jared-hughes 741 57 44ms 9 Sep 2022 776th janbehrens 🇩🇪 741 73 2ms 11 Jun 2021 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 213ms 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 17 days ago 787th Yewzir 🇧🇪 738 62 1,121ms 16 Nov 2025 788th MeWhenI 🇻🇦 736 93 4ms 22 May 2023 789th Omega65536 🇩🇪 736 103 143ms 24 Nov 2022 790th primo-ppcg 🇹🇭 735 117 25ms 14 Jul 2021 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 ovs-code 🇩🇪 731 49 171ms 2 Jan 2024 796th Shanethegamer 🇺🇸 731 74 2ms 18 May 2022 797th CaedenHarper 🇨🇦 731 84 432ms 17 Oct 2025 798th Shanethegamer 🇺🇸 731 88 117ms 15 Oct 2022 799th dvik72 729 64 11ms 1 Jun 2022 799th AlephSquirrel 729 64 12ms 16 Feb 2023 First Prev 721–800 of 2,049 Next Last