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Kolakoski Sequence in Python 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 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 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 82nd HETHAT 🇩🇿 897 58 29ms 24 Sep 2025 82nd CornerMercury 🇬🇧 897 58 32ms 24 Nov 2025 82nd snoozingnewt 🇨🇦 897 58 20ms 1 Dec 2025 104th marcin7Cd 881 59 12ms 16 Jan 2021 104th rak1507 🇬🇧 881 59 13ms 20 Jan 2021 104th AlephSquirrel 881 59 12ms 13 May 2021 104th rschwa6308 🇺🇸 881 59 11ms 28 Jun 2021 104th NewDefectus 🇮🇱 881 59 13ms 25 Oct 2021 104th jacksonhenry3 881 59 13ms 21 Dec 2021 104th NicoAdams 881 59 13ms 21 Dec 2021 104th aksyristos 881 59 16ms 28 Feb 2023 104th BREMAUCY 🇫🇷 881 59 11ms 27 Apr 2023 104th 2011-Chan-Ethan 881 59 12ms 17 Jul 2023 104th MarcMush 🇫🇷 881 59 11ms 12 Feb 2024 104th albanian-laundromat 🇺🇸 881 59 14ms 13 Apr 2025 104th plcc0 881 59 13ms 13 Jan 2026 104th CommandLeo 🇮🇹 881 59 12ms 18 Jan 2026 104th pengu1n-master 881 59 12ms 10 Feb 2026 104th retrohun 881 59 11ms 15 days ago 120th AGoyet 867 60 14ms 29 Jun 2022 120th jakobkordez 🇸🇮 867 60 16ms 8 Nov 2022 120th betaveros 867 60 20ms 31 Dec 2022 120th AlexanderFair 867 60 11ms 23 Jun 2023 120th Andriamanitra 🇫🇮 867 60 13ms 20 Jul 2023 120th dranjohn 867 60 51ms 15 Sep 2023 120th SB-945 867 60 12ms 20 Feb 2024 120th inverseLorentz 🇦🇺 867 60 12ms 9 Apr 2024 120th 051 🇸🇬 867 60 12ms 1 Aug 2024 120th vgamula 🇺🇦 867 60 33ms 28 Jul 2025 120th LuisGoncalves05 🇵🇹 867 60 11ms 29 Jul 2025 120th solisolu 867 60 11ms 1 Jan 2026 132nd petroselo 852 61 10ms 16 Nov 2021 132nd Irratix 🇳🇱 852 61 12ms 8 Dec 2021 132nd cubed-guy 852 61 12ms 12 Feb 2022 132nd CedricGebistorf 852 61 12ms 18 Feb 2022 132nd jascotm 852 61 11ms 17 May 2022 132nd Eilonlif 🇮🇱 852 61 39ms 9 Sep 2022 132nd vishwathg 852 61 21ms 18 Sep 2022 132nd ZakkkkAttackkkk 🇵🇭 852 61 13ms 19 Aug 2023 132nd jtaxen 852 61 10ms 26 Mar 2024 132nd ahmetdemirag 🇨🇾 852 61 18ms 5 Nov 2024 132nd Pyroan 852 61 13ms 16 Mar 2025 132nd tri1212 🇻🇳 852 61 12ms 16 Apr 2025 132nd zgialor-lab 852 61 10ms 16 days ago 145th vezzick 839 62 13ms 12 Mar 2021 145th schachmattmatt 839 62 14ms 18 Aug 2021 145th cooljoseph1 839 62 24ms 6 May 2022 145th fredrik-bakke 🇳🇴 839 62 24ms 29 Sep 2022 145th nkoppel 839 62 16ms 19 Oct 2022 145th AodhanDalton 839 62 13ms 4 Nov 2022 145th nstearns96 🇬🇧 839 62 19ms 28 Nov 2022 145th adamnielson42 🇺🇸 839 62 12ms 10 Jan 2024 145th jbjd 839 62 11ms 2 Mar 2024 145th wh3n3v3r 🇨🇿 839 62 11ms 12 Nov 2024 145th jacekwladzinski 839 62 13ms 4 Oct 2025 145th Mabeloid 🇳🇴 839 62 12ms 26 Oct 2025 157th apourchot 825 63 21ms 13 Feb 2021 157th neihousaigaai 825 63 11ms 10 Apr 2021 157th lechevalier 825 63 12ms 9 Aug 2021 157th yzhs 🇩🇪 825 63 10ms 7 Jun 2022 157th commandz0 🇺🇸 825 63 14ms 19 Sep 2022 157th fourth-bit 825 63 12ms 21 Nov 2022 157th FortuiteMan 🇫🇷 825 63 27ms 8 Sep 2023 157th ssbhatt4321 825 63 27ms 14 Oct 2023 157th JOrE20 825 63 13ms 25 Feb 2026 166th RDShah 813 64 12ms 17 Jan 2021 166th andre-lameirinhas 🇵🇹 813 64 11ms 22 Feb 2021 166th stertooy 🇧🇪 813 64 12ms 10 Jun 2024 166th Terobero 813 64 21ms 6 Sep 2024 166th moustave 813 64 12ms 5 May 2025 166th Code-Coder-coder 813 64 13ms 25 Nov 2025 166th Lv0Sys 🇵🇱 813 64 13ms 4 Dec 2025 166th BrunoVisnadi 🇧🇷 813 64 26ms 16 days ago 174th TobyBoyne 🇬🇧 800 65 11ms 21 Jan 2021 174th 77Tigers 800 65 33ms 1 Mar 2021 174th knutae 🇳🇴 800 65 12ms 29 Jun 2021 174th ehulinsky 🇺🇸 800 65 13ms 10 Nov 2021 174th guilhem-roy 🇫🇷 800 65 12ms 28 Feb 2022 174th martinnorling 🇸🇪 800 65 11ms 8 Mar 2022 174th fgrosshans 🇫🇷 800 65 11ms 12 Jul 2022 174th IshanPanpaliya 800 65 11ms 3 May 2023 174th nooberitess 800 65 12ms 8 Apr 2025 174th robin-scragg 800 65 16ms 21 Oct 2025 184th ArmaanAS 788 66 12ms 4 Apr 2021 184th quimey 788 66 11ms 23 Jun 2023 184th firegene 🇮🇪 788 66 25ms 24 Feb 2026 187th msbranicky 776 67 15ms 21 Aug 2023 187th Matter1024 🇮🇳 776 67 13ms 29 Mar 2026 189th Stockoh 🇫🇷 765 68 36ms 25 Dec 2021 189th Bonjour27891 🇻🇳 765 68 39ms 1 Sep 2022 189th trist224 🇫🇷 765 68 49ms 18 Oct 2022 189th mousetail 🇳🇱 765 68 33ms 11 Aug 2023 189th Command-Master 765 68 39ms 24 Sep 2023 189th madex 🇩🇪 765 68 26ms 21 days ago 195th abailey2020 🇺🇸 754 69 12ms 19 Feb 2021 195th Anonymousellama21 754 69 11ms 15 May 2022 195th TaserTheFox 🇺🇸 754 69 49ms 16 Feb 2023 198th osmith93 743 70 24ms 14 Jun 2021 198th ridingqwerty 🇺🇸 743 70 12ms 23 Feb 2024 198th 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