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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 Huffman Encoder NFA Simulator Nim 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 Huffman Encoder NFA Simulator Nim 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 801st CaedenHarper 🇨🇦 731 84 432ms 17 Oct 2025 802nd Shanethegamer 🇺🇸 731 88 117ms 15 Oct 2022 803rd dvik72 729 64 10ms 1 Jun 2022 803rd AlephSquirrel 729 64 10ms 16 Feb 2023 805th dokutan 729 118 25ms 18 Jul 2025 806th annaproxy 728 58 40ms 24 Oct 2023 807th abailey2020 🇺🇸 728 69 12ms 19 Feb 2021 807th Anonymousellama21 728 69 11ms 15 May 2022 807th TaserTheFox 🇺🇸 728 69 49ms 16 Feb 2023 810th Alex-x90 🇺🇸 728 99 417ms 23 Jun 2022 811th KatieLG 🇬🇧 727 63 1,256ms 25 Apr 2021 812th ovs-code 🇩🇪 727 72 12ms 16 Jul 2023 813th Omega65536 🇩🇪 727 103 143ms 24 Nov 2022 814th MeWhenI 🇻🇦 727 156 1,736ms 13 days ago 815th yzhs 🇩🇪 726 90 117ms 24 Jul 2021 816th AlephSquirrel 723 34 50ms 30 Dec 2022 817th Yewzir 🇧🇪 723 91 2ms 28 Mar 2024 818th elgan65536 🇺🇸 720 104 161ms 7 Feb 2026 819th osmith93 718 70 24ms 14 Jun 2021 819th ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 819th mbittner20 718 70 11ms 15 Jul 2024 819th luuumine 🇫🇷 718 70 12ms 20 Oct 2025 823rd MeWhenI 🇻🇦 718 75 8ms 9 Oct 2023 824th prplz 🇦🇺 718 91 118ms 25 Jan 2021 825th igmcdowell 717 65 10ms 23 Nov 2021 826th msbranicky 717 67 515ms 17 Jan 2024 827th marshallward 🇺🇸 717 100 41ms 7 May 2025 828th NewDefectus 🇮🇱 716 32 34ms 20 Dec 2021 829th prplz 🇦🇺 715 52 3ms 5 Feb 2021 830th MarcMush 🇫🇷 715 69 308ms 12 Feb 2024 831st NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 832nd emgordon154 714 80 2,720ms 9 Aug 2025 833rd Herbert00709 🇵🇱 714 101 62ms 19 Nov 2024 834th targrik 713 123 338ms 10 Jul 2025 835th NewDefectus 🇮🇱 712 76 2ms 25 Oct 2021 835th JohandeRuiter 🇳🇱 712 76 2ms 3 Dec 2023 835th madex 🇩🇪 712 76 2ms 18 days ago 838th marcin7Cd 712 103 23ms 12 Feb 2021 839th aadenboy 🇺🇸 711 86 2ms 16 Dec 2025 840th MeWhenI 🇻🇦 711 90 1,474ms 14 Jun 2023 841st Feniske 🇫🇷 710 51 287ms 21 Nov 2023 842nd chordowl 710 92 116ms 17 Mar 2021 843rd SnowballSH 708 71 12ms 12 Feb 2021 843rd Andre3582 708 71 13ms 18 Mar 2021 843rd PhysicDev 🇫🇷 708 71 11ms 20 May 2021 843rd Alban-Boissard 708 71 14ms 10 Jun 2025 847th omurakazuaki 🇯🇵 707 66 11ms 18 Feb 2021 847th BambooleanLogic 🇸🇪 707 66 9ms 22 Aug 2022 847th coreynash 707 66 9ms 21 Oct 2023 847th two-bad 🇬🇧 707 66 14ms 24 Nov 2023 847th dylanarmstrong 707 66 9ms 15 Jan 2024 847th madeforlosers 707 66 11ms 5 Nov 2025 853rd Stockoh 🇫🇷 707 68 476ms 24 Jun 2024 854th typeswitch-dev 🇵🇹 707 74 8ms 7 Aug 2023 855th msbranicky 705 65 1,332ms 12 Sep 2023 856th MeWhenI 🇻🇦 705 238 12ms 29 Aug 2023 857th SnowballSH 704 60 40ms 12 Feb 2021 857th aksyristos 704 60 43ms 28 Feb 2023 857th Lv0Sys 🇵🇱 704 60 42ms 4 Dec 2025 860th Shanethegamer 🇺🇸 704 91 39ms 16 Jun 2022 861st MeWhenI 🇻🇦 703 35 55ms 26 Jul 2022 861st jared-hughes 703 35 50ms 31 Jul 2022 861st Natanaelel 🇸🇪 703 35 50ms 18 Aug 2022 861st CaedenHarper 🇨🇦 703 35 52ms 29 Mar 2026 865th primo-ppcg 🇹🇭 703 47 26ms 5 Feb 2022 866th scpchicken 🇵🇼 703 51 179ms 18 Jan 2023 867th KasperKivimaeki 🇫🇮 702 125 346ms 3 Oct 2025 868th UnderKoen 🇳🇱 702 134 13ms 20 Jan 2025 869th JayXon 🇺🇸 701 40 54ms 2 Jun 2021 870th jared-hughes 700 44 6ms 31 Jul 2022 871st Shanethegamer 🇺🇸 700 77 13ms 9 Oct 2023 872nd JGDoerrer 700 103 457ms 5 Jan 2022 872nd tailorspy 700 103 61ms 29 Oct 2023 874th jared-hughes 700 162 1,711ms 11 days ago 875th LeeCamp 698 72 12ms 16 Feb 2022 875th LukasFolwarczny 🇨🇿 698 72 15ms 16 Sep 2022 875th CutSandstone 698 72 39ms 8 Jul 2024 878th targrik 696 57 6ms 26 Aug 2025 879th neihousaigaai 696 67 11ms 10 Apr 2021 879th solisolu 696 67 11ms 16 hours ago 881st prestosilver 🇺🇸 696 163 1,655ms 18 hours ago 882nd boxjelly 695 94 114ms 21 Jan 2021 882nd YAJUE114514 695 94 130ms 24 Jul 2025 884th MeWhenI 🇻🇦 694 106 345ms 26 Aug 2023 885th dokutan 693 99 486ms 24 Sep 2025 886th Espiobest 692 61 39ms 13 Feb 2021 886th DaCuteRaccoon 692 61 44ms 9 Dec 2022 888th msbranicky 692 95 5ms 11 Aug 2023 889th Shanethegamer 🇺🇸 691 106 18ms 4 Oct 2024 890th richard-oelze 🇩🇪 688 73 31ms 4 Apr 2021 890th mauro-1 🇮🇹 688 73 10ms 18 Aug 2021 890th gchenfc 688 73 18ms 24 Jan 2022 890th hiichbindermax 688 73 11ms 26 Feb 2022 890th Omega65536 🇩🇪 688 73 12ms 24 Nov 2022 890th sandorstormen 688 73 13ms 18 Feb 2023 890th Mr-McChicken 688 73 11ms 15 Oct 2023 890th Masttest 688 73 11ms 21 Feb 2024 898th Andriamanitra 🇫🇮 688 95 148ms 20 Jul 2023 899th msbranicky 687 89 2ms 26 Sep 2023 900th DialFrost 🇸🇬 686 67 128ms 3 Aug 2024 First Prev 801–900 of 2,031 Next Last