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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 81st CornerMercury 🇬🇧 897 58 32ms 24 Nov 2025 81st snoozingnewt 🇨🇦 897 58 20ms 1 Dec 2025 103rd marcin7Cd 881 59 12ms 16 Jan 2021 103rd rak1507 🇬🇧 881 59 13ms 20 Jan 2021 103rd AlephSquirrel 881 59 12ms 13 May 2021 103rd rschwa6308 🇺🇸 881 59 11ms 28 Jun 2021 103rd NewDefectus 🇮🇱 881 59 13ms 25 Oct 2021 103rd jacksonhenry3 881 59 13ms 21 Dec 2021 103rd NicoAdams 881 59 13ms 21 Dec 2021 103rd aksyristos 881 59 16ms 28 Feb 2023 103rd BREMAUCY 🇫🇷 881 59 11ms 27 Apr 2023 103rd 2011-Chan-Ethan 881 59 12ms 17 Jul 2023 103rd MarcMush 🇫🇷 881 59 11ms 12 Feb 2024 103rd albanian-laundromat 🇺🇸 881 59 14ms 13 Apr 2025 103rd plcc0 881 59 13ms 13 Jan 2026 103rd CommandLeo 🇮🇹 881 59 12ms 18 Jan 2026 103rd pengu1n-master 881 59 12ms 10 Feb 2026 103rd retrohun 881 59 11ms 15 days ago 119th AGoyet 867 60 14ms 29 Jun 2022 119th jakobkordez 🇸🇮 867 60 16ms 8 Nov 2022 119th betaveros 867 60 20ms 31 Dec 2022 119th AlexanderFair 867 60 11ms 23 Jun 2023 119th Andriamanitra 🇫🇮 867 60 13ms 20 Jul 2023 119th dranjohn 867 60 51ms 15 Sep 2023 119th SB-945 867 60 12ms 20 Feb 2024 119th inverseLorentz 🇦🇺 867 60 12ms 9 Apr 2024 119th 051 🇸🇬 867 60 12ms 1 Aug 2024 119th vgamula 🇺🇦 867 60 33ms 28 Jul 2025 119th LuisGoncalves05 🇵🇹 867 60 11ms 29 Jul 2025 119th solisolu 867 60 11ms 1 Jan 2026 131st petroselo 852 61 10ms 16 Nov 2021 131st Irratix 🇳🇱 852 61 12ms 8 Dec 2021 131st cubed-guy 852 61 12ms 12 Feb 2022 131st CedricGebistorf 852 61 12ms 18 Feb 2022 131st jascotm 852 61 11ms 17 May 2022 131st Eilonlif 🇮🇱 852 61 39ms 9 Sep 2022 131st vishwathg 852 61 21ms 18 Sep 2022 131st ZakkkkAttackkkk 🇵🇭 852 61 13ms 19 Aug 2023 131st jtaxen 852 61 10ms 26 Mar 2024 131st ahmetdemirag 🇨🇾 852 61 18ms 5 Nov 2024 131st Pyroan 852 61 13ms 16 Mar 2025 131st tri1212 🇻🇳 852 61 12ms 16 Apr 2025 131st zgialor-lab 852 61 10ms 16 days ago 144th vezzick 839 62 13ms 12 Mar 2021 144th schachmattmatt 839 62 14ms 18 Aug 2021 144th cooljoseph1 839 62 24ms 6 May 2022 144th fredrik-bakke 🇳🇴 839 62 24ms 29 Sep 2022 144th nkoppel 839 62 16ms 19 Oct 2022 144th AodhanDalton 839 62 13ms 4 Nov 2022 144th nstearns96 🇬🇧 839 62 19ms 28 Nov 2022 144th adamnielson42 🇺🇸 839 62 12ms 10 Jan 2024 144th jbjd 839 62 11ms 2 Mar 2024 144th wh3n3v3r 🇨🇿 839 62 11ms 12 Nov 2024 144th jacekwladzinski 839 62 13ms 4 Oct 2025 144th Mabeloid 🇳🇴 839 62 12ms 26 Oct 2025 156th apourchot 825 63 21ms 13 Feb 2021 156th neihousaigaai 825 63 11ms 10 Apr 2021 156th lechevalier 825 63 12ms 9 Aug 2021 156th yzhs 🇩🇪 825 63 10ms 7 Jun 2022 156th commandz0 🇺🇸 825 63 14ms 19 Sep 2022 156th fourth-bit 825 63 12ms 21 Nov 2022 156th FortuiteMan 🇫🇷 825 63 27ms 8 Sep 2023 156th ssbhatt4321 825 63 27ms 14 Oct 2023 156th JOrE20 825 63 13ms 25 Feb 2026 165th RDShah 813 64 12ms 17 Jan 2021 165th andre-lameirinhas 🇵🇹 813 64 11ms 22 Feb 2021 165th stertooy 🇧🇪 813 64 12ms 10 Jun 2024 165th Terobero 813 64 21ms 6 Sep 2024 165th moustave 813 64 12ms 5 May 2025 165th Code-Coder-coder 813 64 13ms 25 Nov 2025 165th Lv0Sys 🇵🇱 813 64 13ms 4 Dec 2025 165th BrunoVisnadi 🇧🇷 813 64 26ms 16 days ago 173rd TobyBoyne 🇬🇧 800 65 11ms 21 Jan 2021 173rd 77Tigers 800 65 33ms 1 Mar 2021 173rd knutae 🇳🇴 800 65 12ms 29 Jun 2021 173rd ehulinsky 🇺🇸 800 65 13ms 10 Nov 2021 173rd guilhem-roy 🇫🇷 800 65 12ms 28 Feb 2022 173rd martinnorling 🇸🇪 800 65 11ms 8 Mar 2022 173rd fgrosshans 🇫🇷 800 65 11ms 12 Jul 2022 173rd IshanPanpaliya 800 65 11ms 3 May 2023 173rd nooberitess 800 65 12ms 8 Apr 2025 173rd robin-scragg 800 65 16ms 21 Oct 2025 183rd ArmaanAS 788 66 12ms 4 Apr 2021 183rd quimey 788 66 11ms 23 Jun 2023 183rd firegene 🇮🇪 788 66 25ms 24 Feb 2026 186th msbranicky 776 67 15ms 21 Aug 2023 186th Matter1024 🇮🇳 776 67 13ms 29 Mar 2026 188th Stockoh 🇫🇷 765 68 36ms 25 Dec 2021 188th Bonjour27891 🇻🇳 765 68 39ms 1 Sep 2022 188th trist224 🇫🇷 765 68 49ms 18 Oct 2022 188th mousetail 🇳🇱 765 68 33ms 11 Aug 2023 188th Command-Master 765 68 39ms 24 Sep 2023 188th madex 🇩🇪 765 68 26ms 21 days ago 194th abailey2020 🇺🇸 754 69 12ms 19 Feb 2021 194th Anonymousellama21 754 69 11ms 15 May 2022 194th TaserTheFox 🇺🇸 754 69 49ms 16 Feb 2023 197th osmith93 743 70 24ms 14 Jun 2021 197th ridingqwerty 🇺🇸 743 70 12ms 23 Feb 2024 197th mbittner20 743 70 11ms 15 Jul 2024 197th luuumine 🇫🇷 743 70 12ms 20 Oct 2025 First Prev 101–200 of 330 Next Last