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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Espiobest 897 58 11ms 13 Mar 2021 81st MaxElf999 897 58 11ms 3 Oct 2022 81st Shanethegamer 🇺🇸 897 58 30ms 18 Jan 2023 81st Alex-x90 🇺🇸 897 58 31ms 23 Mar 2023 81st neel11235813 897 58 31ms 24 Mar 2023 81st Natanaelel 🇸🇪 897 58 12ms 11 Apr 2023 81st InigoK 🇺🇸 897 58 32ms 28 May 2023 81st jmerle 🇳🇱 897 58 30ms 3 Jul 2023 81st ndren 897 58 29ms 4 Aug 2023 81st FlorianCassayre 🇫🇷 897 58 21ms 13 Sep 2023 81st Kacarott 🇦🇺 897 58 36ms 13 Oct 2023 81st m42km 897 58 32ms 25 Nov 2023 81st NickTheEASDude 🇺🇸 897 58 31ms 1 Jul 2024 81st namelessiw 897 58 31ms 27 Jul 2024 81st croc54 897 58 30ms 9 Jan 2025 81st andrewjc2000 897 58 30ms 11 Mar 2025 81st Mukundan314 897 58 34ms 27 Apr 2025 81st fkantelberg 897 58 21ms 12 Jul 2025 81st wuduculfre 897 58 31ms 22 Jul 2025 81st HETHAT 🇩🇿 897 58 29ms 24 Sep 2025 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 25 hours 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 11ms 42 hours 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 144th jusaka 839 62 13ms 10 days ago 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 First Prev 81–160 of 329 Next Last