Kolakoski Sequence in Python in chars. 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 ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> 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 ALGOL 68 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 Chars Time Submitted 1st pardouin 🇫🇷 1,000 51 12ms 6 Apr 2025 1st khvdm 1,000 51 14ms 23 Jun 2025 3rd xnor-gate 981 52 12ms 31 Mar 2021 3rd ovs-code 🇩🇪 981 52 11ms 13 Oct 2023 5th btnlq 962 53 12ms 17 Jan 2021 5th Lydxn 🇨🇦 962 53 11ms 17 Jan 2021 5th m-tkach 🇺🇦 962 53 17ms 25 Apr 2022 5th JayXon 🇺🇸 962 53 11ms 6 Jun 2022 5th Steffan153 🇫🇮 962 53 25ms 21 Apr 2023 5th DialFrost 🇸🇬 962 53 24ms 3 Oct 2023 5th kg583 🇺🇸 962 53 30ms 6 Nov 2023 5th sean-niemann 🇺🇸 962 53 25ms 26 Jan 2025 13th TFeld00 🇩🇰 944 54 24ms 18 Jan 2021 13th hallvabo 🇳🇴 944 54 11ms 19 Jan 2021 13th KatieLG 🇬🇧 944 54 12ms 6 May 2021 13th orthoplex 🇨🇽 944 54 13ms 28 Jul 2021 13th RYNO8 944 54 11ms 4 Sep 2021 13th Fishron 944 54 14ms 22 Dec 2021 13th anter69 🇭🇺 944 54 12ms 22 Jan 2022 13th annaproxy 944 54 12ms 2 Feb 2022 13th GrayJoKing 🇦🇺 944 54 12ms 7 Jul 2022 13th btjones0 944 54 12ms 15 Jul 2022 13th Shanethegamer 🇺🇸 944 54 13ms 18 Jan 2023 13th jmerle 🇳🇱 944 54 29ms 3 Jul 2023 13th ndren 944 54 14ms 4 Aug 2023 13th FlorianCassayre 🇫🇷 944 54 20ms 18 Sep 2023 13th Yewzir 🇧🇪 944 54 22ms 22 Oct 2023 13th HPWiz 🇳🇿 944 54 12ms 2 Jan 2024 13th SirBogman 🇺🇸 944 54 13ms 10 Jun 2024 13th duckyluuk 🇳🇱 944 54 26ms 15 Aug 2024 13th jatloe 944 54 12ms 6 Sep 2024 13th 5quiwyrm 944 54 12ms 14 Nov 2024 13th lifthrasiir 🇰🇷 944 54 13ms 16 Nov 2024 13th zacjl 944 54 24ms 6 Apr 2025 13th emgordon154 944 54 12ms 23 Apr 2025 13th Mukundan314 944 54 31ms 4 Jul 2025 13th fkantelberg 944 54 22ms 12 Jul 2025 13th CaedenHarper 🇨🇦 944 54 30ms 1 Aug 2025 13th qpwoeirut 944 54 13ms 1 Oct 2025 13th Babafaba 944 54 13ms 19 Nov 2025 13th CornerMercury 🇬🇧 944 54 30ms 24 Nov 2025 13th snoozingnewt 🇨🇦 944 54 19ms 1 Dec 2025 43rd rak1507 🇬🇧 927 55 12ms 20 Jan 2021 43rd GolfingSuccess 🇬🇷 927 55 15ms 25 Jan 2021 43rd jacklynnepenick 927 55 15ms 19 Aug 2021 43rd nwellnhof 🇩🇪 927 55 13ms 13 Jul 2022 43rd jakobkordez 🇸🇮 927 55 17ms 8 Nov 2022 43rd 2011-Chan-Ethan 927 55 11ms 20 Jul 2023 43rd SB-945 927 55 11ms 20 Feb 2024 43rd davecame 927 55 14ms 21 Aug 2024 43rd albanian-laundromat 927 55 12ms 29 Mar 2025 43rd 4atj 927 55 27ms 8 Apr 2025 43rd plcc0 927 55 11ms 22 days ago 54th schachmattmatt 911 56 11ms 18 Aug 2021 54th MeWhenI 🇻🇦 911 56 31ms 22 Oct 2021 54th Irratix 🇳🇱 911 56 12ms 19 Apr 2022 54th tri1212 🇻🇳 911 56 12ms 18 Jul 2022 54th fredrik-bakke 🇳🇴 911 56 11ms 29 Sep 2022 54th neel11235813 911 56 32ms 21 Dec 2022 54th sisyphus-ppcg 🇦🇺 911 56 32ms 23 Mar 2023 54th elgan65536 911 56 11ms 31 Mar 2024 54th HETHAT 🇩🇿 911 56 12ms 12 Apr 2024 54th wh3n3v3r 🇨🇿 911 56 13ms 12 Nov 2024 64th primo-ppcg 🇹🇭 895 57 12ms 18 Jan 2021 64th prplz 🇦🇺 895 57 13ms 21 Jan 2021 64th OllieBoyne 🇬🇧 895 57 10ms 22 Jan 2021 64th hiddicop 🇸🇪 895 57 11ms 29 Jan 2021 64th lynn 895 57 12ms 6 Mar 2021 64th vezzick 895 57 13ms 8 Mar 2021 64th kops-cg 895 57 11ms 8 Apr 2021 64th clementblaudeau 895 57 11ms 1 Jun 2021 64th jared-hughes 895 57 11ms 14 Aug 2021 64th michelebastione 🇮🇹 895 57 13ms 16 Aug 2021 64th Indivicivet 895 57 12ms 26 Oct 2021 64th bricknellj 895 57 11ms 14 Jan 2022 64th scpchicken 🇵🇼 895 57 12ms 12 Mar 2022 64th pascscha 895 57 13ms 28 Apr 2022 64th jgygax 895 57 12ms 28 Apr 2022 64th stefangimmillaro 895 57 12ms 13 May 2022 64th ZakkkkAttackkkk 🇵🇭 895 57 16ms 31 Jul 2022 1–80 of 320 Next Last