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 720th strout 759 86 124ms 15 Dec 2023 722nd antimon2 🇯🇵 758 65 495ms 19 Jan 2021 723rd GolfingSuccess 🇬🇷 758 71 6ms 16 Oct 2023 723rd Yewzir 🇧🇪 758 71 3ms 19 Nov 2025 725th duckyluuk 🇳🇱 756 73 8ms 16 Dec 2024 726th janbehrens 🇩🇪 756 93 460ms 24 Mar 2022 727th Shanethegamer 🇺🇸 754 63 4ms 13 Aug 2024 727th emgordon154 754 63 4ms 25 Aug 2024 729th olivermrose 🇺🇸 753 56 37ms 21 Sep 2021 730th RockOfStone 753 81 2ms 4 Nov 2021 730th dokutan 753 81 2ms 18 Jul 2025 732nd lynn 753 85 1,383ms 12 Sep 2021 733rd sean-niemann 🇺🇸 752 61 138ms 17 Jun 2025 734th ScottHamper 752 62 10ms 1 Jun 2021 734th helbling 🇨🇭 752 62 13ms 2 Oct 2024 736th Yewzir 🇧🇪 751 72 2ms 12 Aug 2023 737th Mabeloid 🇳🇴 750 64 481ms 17 Sep 2024 738th msbranicky 750 67 14ms 21 Aug 2023 738th JOrE20 750 67 11ms 18 days ago 740th cipharius 750 87 169ms 19 Jan 2021 741st Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 742nd CaedenHarper 🇨🇦 749 61 798ms 11 days ago 743rd CaedenHarper 🇨🇦 749 117 259ms 11 days ago 744th ovs-code 🇩🇪 748 49 141ms 2 Jan 2024 745th arctouch-cristiannevianna 748 82 407ms 22 Nov 2023 746th GolfingSuccess 🇬🇷 743 33 49ms 22 Jul 2022 747th SirBogman 🇺🇸 742 139 2ms 21 Dec 2021 748th kg583 🇺🇸 741 85 40ms 13 Feb 2025 749th jared-hughes 740 57 38ms 9 Sep 2022 750th olivermrose 🇺🇸 740 63 11ms 21 Sep 2021 750th GeorgeStechman 🇬🇧 740 63 11ms 17 Nov 2022 752nd janbehrens 🇩🇪 740 73 2ms 11 Jun 2021 753rd DialFrost 🇸🇬 740 99 1,084ms 8 Mar 2024 754th Stockoh 🇫🇷 739 68 36ms 25 Dec 2021 754th Bonjour27891 🇻🇳 739 68 38ms 1 Sep 2022 754th trist224 🇫🇷 739 68 37ms 18 Oct 2022 754th mousetail 🇳🇱 739 68 37ms 11 Aug 2023 754th Command-Master 739 68 39ms 24 Sep 2023 754th firegene 🇮🇪 739 68 36ms 12 Oct 2024 760th AlephSquirrel 739 99 9ms 18 Jan 2025 760th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 762nd DialFrost 🇸🇬 738 49 227ms 25 Jun 2024 763rd Yewzir 🇧🇪 736 62 1,015ms 16 Nov 2025 764th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 765th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 765th annaproxy 733 89 148ms 17 Aug 2022 765th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 765th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 769th Omega65536 🇩🇪 733 103 142ms 24 Nov 2022 770th primo-ppcg 🇹🇭 732 117 25ms 14 Jul 2021 771st Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 772nd CaedenHarper 🇨🇦 731 84 435ms 17 Oct 2025 773rd Shanethegamer 🇺🇸 730 74 2ms 18 May 2022 774th Shanethegamer 🇺🇸 730 88 110ms 15 Oct 2022 775th dvik72 728 64 11ms 1 Jun 2022 775th AlephSquirrel 728 64 11ms 16 Feb 2023 777th abailey2020 🇺🇸 728 69 10ms 19 Feb 2021 777th Anonymousellama21 728 69 12ms 15 May 2022 777th TaserTheFox 🇺🇸 728 69 38ms 16 Feb 2023 780th annaproxy 727 58 40ms 24 Oct 2023 781st KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 782nd Alex-x90 🇺🇸 727 99 399ms 23 Jun 2022 783rd elgan65536 🇺🇸 726 104 159ms 15 days ago 784th dokutan 726 118 25ms 18 Jul 2025 785th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 786th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 787th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 787th MeWhenI 🇻🇦 725 153 1,682ms 7 Nov 2025 789th AlephSquirrel 721 34 49ms 30 Dec 2022 790th scpchicken 🇵🇼 719 51 146ms 18 Jan 2023 791st Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 792nd osmith93 718 70 25ms 14 Jun 2021 792nd ridingqwerty 🇺🇸 718 70 12ms 23 Feb 2024 792nd mbittner20 718 70 11ms 15 Jul 2024 792nd luuumine 🇫🇷 718 70 11ms 20 Oct 2025 796th edsrzf 🇳🇿 718 95 7ms 24 Nov 2024 797th igmcdowell 717 65 11ms 23 Nov 2021 798th msbranicky 717 67 496ms 17 Jan 2024 799th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 800th prplz 🇦🇺 717 91 118ms 25 Jan 2021 First Prev 721–800 of 1,925 Next Last