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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 676th c0d3-4-F00d 🇩🇪 771 70 2ms 18 Mar 2022 676th Alex-x90 🇺🇸 771 70 2ms 6 Mar 2023 676th dokutan 771 70 2ms 18 Jul 2025 679th mousetail 🇳🇱 771 98 123ms 3 Oct 2024 680th MeWhenI 🇻🇦 770 47 210ms 28 Jan 2023 681st MeWhenI 🇻🇦 770 59 700ms 15 Sep 2025 682nd MeWhenI 🇻🇦 767 89 101ms 25 Dec 2022 683rd emgordon154 766 32 38ms 19 Oct 2025 684th LostSyntax21 🇬🇧 766 55 41ms 2 Oct 2024 685th retrohun 765 63 120ms 23 Jan 2023 686th Shanethegamer 🇺🇸 765 65 108ms 22 May 2021 687th lynn 765 78 159ms 16 Nov 2021 688th rucin93 🇵🇱 764 60 131ms 9 Aug 2024 689th Waffle3z 764 61 10ms 20 Jan 2021 689th didion0 🇺🇸 764 61 10ms 9 Feb 2021 689th KrausRaus 🇺🇸 764 61 10ms 19 Feb 2021 689th tayloia 🇬🇧 764 61 10ms 29 May 2022 693rd Shanethegamer 🇺🇸 764 93 53ms 12 Jan 2022 694th MeWhenI 🇻🇦 764 108 28ms 7 Jun 2023 695th Steffan153 🇫🇮 763 51 77ms 18 Dec 2022 696th ArmaanAS 761 66 10ms 4 Apr 2021 696th quimey 761 66 12ms 23 Jun 2023 696th Lv0Sys 🇵🇱 761 66 10ms 22 Jun 2025 696th solisolu 761 66 21ms 27 Oct 2025 700th SirBogman 🇺🇸 759 86 133ms 24 Jan 2021 700th strout 759 86 117ms 15 Dec 2023 702nd antimon2 🇯🇵 758 65 479ms 19 Jan 2021 703rd GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 703rd Yewzir 🇧🇪 758 71 3ms 6 days ago 705th kcinnu 🇱🇹 758 146 1,697ms 17 May 2024 706th albanian-laundromat 757 60 699ms 1 Oct 2025 707th duckyluuk 🇳🇱 756 73 8ms 16 Dec 2024 708th janbehrens 🇩🇪 756 93 548ms 24 Mar 2022 709th Shanethegamer 🇺🇸 754 63 5ms 13 Aug 2024 709th emgordon154 754 63 7ms 25 Aug 2024 711th lynn 753 85 1,497ms 12 Sep 2021 712th olivermrose 🇺🇸 752 56 37ms 21 Sep 2021 713th sean-niemann 🇺🇸 752 61 129ms 17 Jun 2025 714th ScottHamper 752 62 9ms 1 Jun 2021 714th helbling 🇨🇭 752 62 11ms 2 Oct 2024 716th RockOfStone 751 81 2ms 4 Nov 2021 716th dokutan 751 81 2ms 18 Jul 2025 718th Mabeloid 🇳🇴 750 64 572ms 17 Sep 2024 718th snoozingnewt 🇺🇸 750 64 472ms 15 Oct 2025 720th msbranicky 750 67 14ms 21 Aug 2023 721st Yewzir 🇧🇪 750 72 2ms 12 Aug 2023 722nd cipharius 750 87 187ms 19 Jan 2021 723rd ovs-code 🇩🇪 748 49 146ms 2 Jan 2024 724th arctouch-cristiannevianna 747 82 332ms 22 Nov 2023 725th Lydxn 🇨🇦 747 223 14ms 24 Jun 2021 726th GolfingSuccess 🇬🇷 743 33 50ms 22 Jul 2022 727th kg583 🇺🇸 741 85 38ms 13 Feb 2025 728th olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 728th GeorgeStechman 🇬🇧 740 63 10ms 17 Nov 2022 730th DialFrost 🇸🇬 740 99 1,101ms 8 Mar 2024 731st SirBogman 🇺🇸 740 139 3ms 21 Dec 2021 732nd jared-hughes 739 57 43ms 9 Sep 2022 733rd Stockoh 🇫🇷 739 68 34ms 25 Dec 2021 733rd Bonjour27891 🇻🇳 739 68 36ms 1 Sep 2022 733rd trist224 🇫🇷 739 68 36ms 18 Oct 2022 733rd mousetail 🇳🇱 739 68 35ms 11 Aug 2023 733rd Command-Master 739 68 36ms 24 Sep 2023 733rd firegene 🇮🇪 739 68 36ms 12 Oct 2024 739th janbehrens 🇩🇪 739 73 3ms 11 Jun 2021 740th DialFrost 🇸🇬 738 49 222ms 25 Jun 2024 741st AlephSquirrel 738 99 11ms 18 Jan 2025 742nd MeWhenI 🇻🇦 734 93 4ms 22 May 2023 743rd Yewzir 🇧🇪 733 62 707ms 9 days ago 744th guliyevemil1 🇦🇿 733 89 153ms 11 Feb 2021 744th annaproxy 733 89 192ms 17 Aug 2022 744th Shanethegamer 🇺🇸 733 89 128ms 20 Jan 2024 747th Omega65536 🇩🇪 733 103 143ms 24 Nov 2022 748th primo-ppcg 🇹🇭 731 117 28ms 14 Jul 2021 749th Shanethegamer 🇺🇸 730 88 103ms 15 Oct 2022 750th Shanethegamer 🇺🇸 729 74 2ms 18 May 2022 First Prev 676–750 of 1,873 Next Last