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 1st xnor-gate 1,000 52 12ms 31 Mar 2021 1st ovs-code 🇩🇪 1,000 52 14ms 13 Oct 2023 1st pardouin 🇫🇷 1,000 52 14ms 26 Dec 2023 1st khvdm 1,000 52 12ms 23 Jun 2025 5th HPWiz 🇳🇿 963 54 12ms 2 Jan 2024 5th zacjl 963 54 24ms 6 Apr 2025 7th m-tkach 🇺🇦 945 55 18ms 25 Apr 2022 7th nwellnhof 🇩🇪 945 55 13ms 13 Jul 2022 7th Lydxn 🇨🇦 945 55 20ms 22 Mar 2023 7th JayXon 🇺🇸 945 55 27ms 22 Mar 2023 7th davecame 945 55 14ms 21 Aug 2024 7th Steffan153 🇫🇮 945 55 27ms 30 Aug 2024 7th sean-niemann 🇺🇸 945 55 24ms 5 Feb 2025 7th 4atj 945 55 29ms 8 Apr 2025 15th btnlq 929 56 11ms 17 Jan 2021 15th jacklynnepenick 929 56 13ms 19 Aug 2021 15th sisyphus-ppcg 🇦🇺 929 56 28ms 23 Mar 2023 15th DialFrost 🇸🇬 929 56 33ms 3 Oct 2023 15th Seek64 🇩🇪 929 56 25ms 9 Mar 2026 20th GrayJoKing 🇦🇺 912 57 12ms 17 Jan 2021 20th btjones0 912 57 12ms 17 Jan 2021 20th hallvabo 🇳🇴 912 57 11ms 18 Jan 2021 20th TFeld00 🇩🇰 912 57 11ms 18 Jan 2021 20th primo-ppcg 🇹🇭 912 57 11ms 18 Jan 2021 20th prplz 🇦🇺 912 57 14ms 21 Jan 2021 20th OllieBoyne 🇬🇧 912 57 12ms 22 Jan 2021 20th KatieLG 🇬🇧 912 57 12ms 23 Jan 2021 20th hiddicop 🇸🇪 912 57 12ms 29 Jan 2021 20th anter69 🇭🇺 912 57 12ms 3 Feb 2021 20th lynn 912 57 15ms 6 Mar 2021 20th kops-cg 912 57 11ms 8 Apr 2021 20th clementblaudeau 912 57 11ms 1 Jun 2021 20th orthoplex 🇨🇽 912 57 13ms 29 Jul 2021 20th jared-hughes 912 57 12ms 14 Aug 2021 20th michelebastione 🇮🇹 912 57 14ms 16 Aug 2021 20th RYNO8 912 57 10ms 4 Sep 2021 20th Indivicivet 912 57 11ms 26 Oct 2021 20th annaproxy 912 57 12ms 8 Dec 2021 20th Fishron 912 57 15ms 22 Dec 2021 20th MeWhenI 🇻🇦 912 57 11ms 25 Dec 2021 20th bricknellj 912 57 15ms 14 Jan 2022 20th scpchicken 🇵🇼 912 57 11ms 12 Mar 2022 20th pascscha 912 57 15ms 28 Apr 2022 20th jgygax 912 57 17ms 28 Apr 2022 20th stefangimmillaro 912 57 11ms 13 May 2022 20th inventshah 912 57 11ms 19 Sep 2022 20th LogicalJoe 912 57 13ms 19 Sep 2022 20th lzahray 912 57 36ms 21 Oct 2022 20th thehylian 912 57 11ms 10 Jan 2023 20th 5cw 🇺🇸 912 57 11ms 10 Apr 2023 20th xsot 🇸🇬 912 57 25ms 26 Apr 2023 20th Rubiksmath 912 57 12ms 14 Aug 2023 20th kg583 🇺🇸 912 57 25ms 26 Sep 2023 20th bzijlema 🇳🇱 912 57 14ms 15 Nov 2023 20th janbehrens 🇩🇪 912 57 13ms 30 Dec 2023 20th mathisfun271 912 57 11ms 4 Feb 2024 20th duckyluuk 🇳🇱 912 57 25ms 6 Feb 2024 20th Yewzir 🇧🇪 912 57 16ms 29 Feb 2024 20th elgan65536 🇺🇸 912 57 11ms 4 Apr 2024 20th thienudomsrirungruang 912 57 11ms 27 Apr 2024 20th SirBogman 🇺🇸 912 57 14ms 10 Jun 2024 20th wuzekai518 912 57 12ms 2 Aug 2024 20th bizy-coder 912 57 36ms 14 Aug 2024 20th jatloe 912 57 11ms 6 Sep 2024 20th 5quiwyrm 912 57 11ms 14 Nov 2024 20th lifthrasiir 🇰🇷 912 57 11ms 15 Nov 2024 20th GolfingSuccess 🇬🇷 912 57 13ms 24 Dec 2024 20th emgordon154 912 57 11ms 23 Apr 2025 20th qpwoeirut 912 57 14ms 11 Aug 2025 20th michaelmgreer 912 57 11ms 9 Oct 2025 20th Babafaba 912 57 13ms 19 Nov 2025 20th CaedenHarper 🇨🇦 912 57 11ms 9 Dec 2025 20th cros107 🇦🇺 912 57 15ms 31 Dec 2025 20th KasperKivimaeki 🇫🇮 912 57 14ms 3 Jan 2026 20th blaztoma 🇱🇹 912 57 12ms 11 Jan 2026 20th ryyyn 🇺🇸 912 57 36ms 21 Jan 2026 20th StefanHabel 🇨🇦 912 57 13ms 1 Mar 2026 20th Flekay 🇩🇪 912 57 13ms 13 days ago 20th edsrzf 🇳🇿 912 57 12ms 4 days ago 80th Espiobest 897 58 11ms 13 Mar 2021 1–80 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