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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 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 Chars Time Submitted 65th JOrE20 895 57 14ms 25 Feb 2026 65th StefanHabel 🇨🇦 895 57 13ms 1 Mar 2026 65th edsrzf 🇳🇿 895 57 12ms 21 days ago 65th vang1ong7ang 895 57 13ms 2 days ago 105th Espiobest 879 58 11ms 13 Mar 2021 105th fgrosshans 🇫🇷 879 58 13ms 18 Jul 2022 105th MaxElf999 879 58 11ms 3 Oct 2022 105th Alex-x90 🇺🇸 879 58 31ms 23 Mar 2023 105th Natanaelel 🇸🇪 879 58 12ms 11 Apr 2023 105th InigoK 🇺🇸 879 58 32ms 28 May 2023 105th Kacarott 🇦🇺 879 58 36ms 13 Oct 2023 105th m42km 879 58 32ms 25 Nov 2023 105th NickTheEASDude 🇺🇸 879 58 31ms 1 Jul 2024 105th namelessiw 879 58 31ms 27 Jul 2024 105th croc54 879 58 30ms 9 Jan 2025 105th andrewjc2000 879 58 30ms 11 Mar 2025 105th wuduculfre 879 58 31ms 22 Jul 2025 105th robin-scragg 879 58 14ms 21 Oct 2025 119th marcin7Cd 864 59 12ms 16 Jan 2021 119th AlephSquirrel 864 59 12ms 13 May 2021 119th rschwa6308 🇺🇸 864 59 11ms 28 Jun 2021 119th NewDefectus 🇮🇱 864 59 13ms 25 Oct 2021 119th jacksonhenry3 864 59 13ms 21 Dec 2021 119th NicoAdams 864 59 13ms 21 Dec 2021 119th yzhs 🇩🇪 864 59 11ms 7 Jun 2022 119th aksyristos 864 59 16ms 28 Feb 2023 119th BREMAUCY 🇫🇷 864 59 11ms 27 Apr 2023 119th MarcMush 🇫🇷 864 59 11ms 12 Feb 2024 119th CommandLeo 🇮🇹 864 59 12ms 18 Jan 2026 119th pengu1n-master 864 59 12ms 10 Feb 2026 119th retrohun 864 59 11ms 15 days ago 132nd AGoyet 850 60 14ms 29 Jun 2022 132nd betaveros 850 60 20ms 31 Dec 2022 132nd AlexanderFair 850 60 11ms 23 Jun 2023 132nd Andriamanitra 🇫🇮 850 60 13ms 20 Jul 2023 132nd dranjohn 850 60 51ms 15 Sep 2023 132nd inverseLorentz 🇦🇺 850 60 12ms 9 Apr 2024 132nd 051 🇸🇬 850 60 12ms 1 Aug 2024 132nd vgamula 🇺🇦 850 60 33ms 28 Jul 2025 132nd LuisGoncalves05 🇵🇹 850 60 11ms 29 Jul 2025 132nd luuumine 🇫🇷 850 60 11ms 20 Oct 2025 132nd solisolu 850 60 11ms 1 Jan 2026 143rd petroselo 836 61 10ms 16 Nov 2021 143rd cubed-guy 836 61 12ms 12 Feb 2022 143rd CedricGebistorf 836 61 12ms 18 Feb 2022 143rd jascotm 836 61 11ms 17 May 2022 143rd Eilonlif 🇮🇱 836 61 39ms 9 Sep 2022 143rd vishwathg 836 61 21ms 18 Sep 2022 143rd jtaxen 836 61 10ms 26 Mar 2024 143rd ahmetdemirag 🇨🇾 836 61 18ms 5 Nov 2024 143rd Pyroan 836 61 13ms 16 Mar 2025 143rd zgialor-lab 836 61 10ms 16 days ago 153rd cooljoseph1 823 62 24ms 6 May 2022 153rd nkoppel 823 62 16ms 19 Oct 2022 153rd AodhanDalton 823 62 13ms 4 Nov 2022 153rd nstearns96 🇬🇧 823 62 19ms 28 Nov 2022 153rd adamnielson42 🇺🇸 823 62 12ms 10 Jan 2024 153rd jbjd 823 62 11ms 2 Mar 2024 153rd HumanoidCPU 823 62 12ms 3 Jun 2024 153rd jacekwladzinski 823 62 13ms 4 Oct 2025 153rd Mabeloid 🇳🇴 823 62 12ms 26 Oct 2025 162nd apourchot 810 63 21ms 13 Feb 2021 162nd neihousaigaai 810 63 11ms 10 Apr 2021 162nd lechevalier 810 63 12ms 9 Aug 2021 162nd commandz0 🇺🇸 810 63 14ms 19 Sep 2022 162nd fourth-bit 810 63 12ms 21 Nov 2022 162nd FortuiteMan 🇫🇷 810 63 27ms 8 Sep 2023 162nd ssbhatt4321 810 63 27ms 14 Oct 2023 162nd dokutan 810 63 19ms 1 Apr 2025 170th RDShah 797 64 12ms 17 Jan 2021 170th andre-lameirinhas 🇵🇹 797 64 11ms 22 Feb 2021 170th stertooy 🇧🇪 797 64 12ms 10 Jun 2024 170th Terobero 797 64 21ms 6 Sep 2024 170th moustave 797 64 12ms 5 May 2025 170th Code-Coder-coder 797 64 13ms 25 Nov 2025 170th Lv0Sys 🇵🇱 797 64 13ms 4 Dec 2025 170th BrunoVisnadi 🇧🇷 797 64 26ms 16 days ago 178th TobyBoyne 🇬🇧 785 65 11ms 21 Jan 2021 178th 77Tigers 785 65 33ms 1 Mar 2021 178th knutae 🇳🇴 785 65 12ms 29 Jun 2021 178th ehulinsky 🇺🇸 785 65 13ms 10 Nov 2021 178th guilhem-roy 🇫🇷 785 65 12ms 28 Feb 2022 178th martinnorling 🇸🇪 785 65 11ms 8 Mar 2022 178th IshanPanpaliya 785 65 11ms 3 May 2023 178th nooberitess 785 65 12ms 8 Apr 2025 178th madeforlosers 785 65 13ms 20 days ago 187th ArmaanAS 773 66 12ms 4 Apr 2021 187th quimey 773 66 11ms 23 Jun 2023 187th firegene 🇮🇪 773 66 25ms 24 Feb 2026 190th msbranicky 761 67 15ms 21 Aug 2023 190th Matter1024 🇮🇳 761 67 13ms 29 Mar 2026 192nd Stockoh 🇫🇷 750 68 36ms 25 Dec 2021 192nd Bonjour27891 🇻🇳 750 68 39ms 1 Sep 2022 192nd trist224 🇫🇷 750 68 49ms 18 Oct 2022 192nd mousetail 🇳🇱 750 68 33ms 11 Aug 2023 192nd Command-Master 750 68 39ms 24 Sep 2023 192nd JunkIce 750 68 19ms 24 Nov 2024 192nd madex 🇩🇪 750 68 26ms 21 days ago 199th abailey2020 🇺🇸 739 69 12ms 19 Feb 2021 199th Anonymousellama21 739 69 11ms 15 May 2022 First Prev 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