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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 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 Apéry’s Constant Binary Lambda Calculus 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 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 801st MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 802nd prplz 🇦🇺 717 91 118ms 25 Jan 2021 803rd marshallward 🇺🇸 716 100 41ms 7 May 2025 804th NewDefectus 🇮🇱 715 32 34ms 20 Dec 2021 805th NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 806th prplz 🇦🇺 714 52 3ms 5 Feb 2021 807th MarcMush 🇫🇷 714 69 304ms 12 Feb 2024 808th Herbert00709 🇵🇱 713 101 56ms 19 Nov 2024 809th emgordon154 712 80 2,291ms 9 Aug 2025 810th targrik 712 123 299ms 10 Jul 2025 811th NewDefectus 🇮🇱 711 76 2ms 25 Oct 2021 811th JohandeRuiter 🇳🇱 711 76 2ms 3 Dec 2023 813th MeWhenI 🇻🇦 711 90 1,429ms 14 Jun 2023 814th marcin7Cd 710 103 21ms 12 Feb 2021 815th Feniske 🇫🇷 709 51 270ms 21 Nov 2023 816th aadenboy 🇺🇸 709 86 2ms 16 Dec 2025 817th chordowl 709 92 116ms 17 Mar 2021 818th SnowballSH 707 71 11ms 12 Feb 2021 818th Andre3582 707 71 11ms 18 Mar 2021 818th PhysicDev 🇫🇷 707 71 10ms 20 May 2021 818th Alban-Boissard 707 71 12ms 10 Jun 2025 822nd omurakazuaki 🇯🇵 706 66 13ms 18 Feb 2021 822nd BambooleanLogic 🇸🇪 706 66 11ms 22 Aug 2022 822nd coreynash 706 66 10ms 21 Oct 2023 822nd two-bad 🇬🇧 706 66 12ms 24 Nov 2023 822nd dylanarmstrong 706 66 11ms 15 Jan 2024 822nd madeforlosers 706 66 13ms 5 Nov 2025 828th Stockoh 🇫🇷 706 68 427ms 24 Jun 2024 829th typeswitch-dev 🇵🇹 705 74 8ms 7 Aug 2023 830th msbranicky 704 65 1,289ms 12 Sep 2023 831st Shanethegamer 🇺🇸 704 91 39ms 16 Jun 2022 832nd SnowballSH 703 60 36ms 12 Feb 2021 832nd aksyristos 703 60 41ms 28 Feb 2023 832nd Lv0Sys 🇵🇱 703 60 37ms 4 Dec 2025 835th primo-ppcg 🇹🇭 702 47 1,032ms 5 Feb 2022 836th MeWhenI 🇻🇦 702 238 12ms 29 Aug 2023 837th MeWhenI 🇻🇦 701 35 52ms 26 Jul 2022 837th jared-hughes 701 35 44ms 31 Jul 2022 837th Natanaelel 🇸🇪 701 35 51ms 18 Aug 2022 840th KasperKivimaeki 🇫🇮 701 125 302ms 3 Oct 2025 841st JayXon 🇺🇸 700 40 46ms 2 Jun 2021 842nd UnderKoen 🇳🇱 700 134 13ms 20 Jan 2025 843rd jared-hughes 699 44 6ms 31 Jul 2022 844th Shanethegamer 🇺🇸 699 77 13ms 9 Oct 2023 845th JGDoerrer 699 103 402ms 5 Jan 2022 845th tailorspy 699 103 58ms 29 Oct 2023 847th LeeCamp 698 72 10ms 16 Feb 2022 847th LukasFolwarczny 🇨🇿 698 72 10ms 16 Sep 2022 847th CutSandstone 698 72 38ms 8 Jul 2024 850th jared-hughes 698 159 1,670ms 16 Sep 2025 851st neihousaigaai 696 67 11ms 10 Apr 2021 852nd targrik 695 57 5ms 26 Aug 2025 853rd boxjelly 694 94 114ms 21 Jan 2021 853rd YAJUE114514 694 94 133ms 24 Jul 2025 855th dokutan 693 99 372ms 24 Sep 2025 856th edsrzf 🇳🇿 692 91 22ms 21 Dec 2024 857th Espiobest 691 61 38ms 13 Feb 2021 857th DaCuteRaccoon 691 61 37ms 9 Dec 2022 859th MeWhenI 🇻🇦 691 106 345ms 26 Aug 2023 860th Shanethegamer 🇺🇸 690 106 17ms 4 Oct 2024 861st msbranicky 689 95 5ms 11 Aug 2023 862nd GolfingSuccess 🇬🇷 688 69 33ms 17 Aug 2024 863rd richard-oelze 🇩🇪 688 73 30ms 4 Apr 2021 863rd mauro-1 🇮🇹 688 73 9ms 18 Aug 2021 863rd gchenfc 688 73 9ms 24 Jan 2022 863rd hiichbindermax 688 73 11ms 26 Feb 2022 863rd Omega65536 🇩🇪 688 73 11ms 24 Nov 2022 863rd sandorstormen 688 73 11ms 18 Feb 2023 863rd Mr-McChicken 688 73 10ms 15 Oct 2023 863rd Masttest 688 73 10ms 21 Feb 2024 871st Andriamanitra 🇫🇮 687 95 148ms 20 Jul 2023 872nd MeWhenI 🇻🇦 685 72 312ms 15 Feb 2023 872nd Yewzir 🇧🇪 685 72 398ms 5 Apr 2024 874th msbranicky 685 89 2ms 26 Sep 2023 875th DialFrost 🇸🇬 684 67 135ms 3 Aug 2024 876th madex 🇩🇪 684 79 2ms 11 Jul 2024 877th AdrienHache 🇫🇷 683 41 48ms 23 Oct 2023 878th Yewzir 🇧🇪 682 90 421ms 14 Oct 2023 879th Shanethegamer 🇺🇸 680 126 24ms 8 Jul 2021 880th jameslindesay 679 74 11ms 24 Feb 2021 First Prev 801–880 of 1,922 Next Last