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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 200th Anonymousellama21 739 69 11ms 15 May 2022 200th TaserTheFox 🇺🇸 739 69 49ms 16 Feb 2023 200th Jacob385 739 69 46ms 22 Apr 2024 204th osmith93 729 70 24ms 14 Jun 2021 204th ridingqwerty 🇺🇸 729 70 12ms 23 Feb 2024 204th mbittner20 729 70 11ms 15 Jul 2024 204th RaBa21 🇭🇺 729 70 13ms 18 Jul 2025 208th SnowballSH 718 71 12ms 12 Feb 2021 208th Andre3582 718 71 13ms 18 Mar 2021 208th PhysicDev 🇫🇷 718 71 11ms 20 May 2021 208th Alban-Boissard 718 71 14ms 10 Jun 2025 212th LeeCamp 708 72 12ms 16 Feb 2022 212th LukasFolwarczny 🇨🇿 708 72 15ms 16 Sep 2022 212th CutSandstone 708 72 39ms 8 Jul 2024 215th richard-oelze 🇩🇪 699 73 31ms 4 Apr 2021 215th mauro-1 🇮🇹 699 73 10ms 18 Aug 2021 215th gchenfc 699 73 18ms 24 Jan 2022 215th hiichbindermax 699 73 11ms 26 Feb 2022 215th Omega65536 🇩🇪 699 73 12ms 24 Nov 2022 215th sandorstormen 699 73 13ms 18 Feb 2023 215th Mr-McChicken 699 73 11ms 15 Oct 2023 215th Masttest 699 73 11ms 21 Feb 2024 215th cuvam 🇺🇸 699 73 22ms 4 days ago 224th jameslindesay 689 74 13ms 24 Feb 2021 224th PkmnQ 689 74 39ms 5 May 2024 224th RedzGoose 🇦🇺 689 74 12ms 14 Oct 2024 224th yokasuretsu 689 74 13ms 13 Jan 2025 228th Trunksistor 🇫🇷 680 75 11ms 25 May 2022 228th celiendonze 🇨🇭 680 75 13ms 16 Jun 2023 228th qwjhvbxi 680 75 11ms 9 Feb 2024 228th wenbang24 680 75 13ms 6 Apr 2024 232nd Waffle3z 671 76 12ms 20 Jan 2021 232nd hellwue 671 76 12ms 16 Nov 2023 232nd yuchuehw 671 76 18ms 18 Jan 2024 232nd dcc5480 671 76 10ms 11 days ago 236th f-tucker 662 77 13ms 2 Feb 2024 236th undefinedRyan 662 77 12ms 19 Apr 2025 236th Emutis 🇱🇹 662 77 11ms 12 Sep 2025 239th AkashTandon167 654 78 13ms 25 May 2021 239th jhpaques 🇫🇷 654 78 25ms 30 Nov 2022 241st twocatsinatrenchcoat 646 79 9ms 29 Mar 2022 241st SniperSmiley 🇺🇸 646 79 39ms 23 Jun 2022 241st Glinte 646 79 18ms 14 Dec 2023 241st Bmrl7 646 79 15ms 19 Mar 2024 241st acotis 646 79 12ms 7 Mar 2026 246th bastienvoirin 🇫🇷 638 80 14ms 4 Feb 2021 246th argusdusty 🇺🇸 638 80 21ms 25 Mar 2021 246th OppositeShark 638 80 12ms 9 Apr 2022 246th WillowWispy 638 80 10ms 16 Mar 2025 250th vodker1 630 81 11ms 9 Mar 2022 250th tooningelaere 630 81 9ms 5 Dec 2022 250th Arkadios200 630 81 12ms 18 days ago 253rd fynnkroeger 622 82 13ms 24 Mar 2021 253rd BrenSchaap 622 82 13ms 21 Oct 2021 253rd MichaelMBradley 🇨🇦 622 82 10ms 18 Feb 2022 253rd Andrey2001 622 82 11ms 6 Dec 2025 257th Brianzhengca 614 83 12ms 1 Feb 2021 257th hymanimy 614 83 11ms 24 Aug 2021 257th nullie 614 83 14ms 9 Jun 2022 257th a-penton 614 83 13ms 22 Sep 2022 261st gXLg 🇩🇪 607 84 21ms 22 Oct 2022 261st dylanjones92 607 84 11ms 19 Jan 2024 263rd mikehanus 600 85 13ms 29 Jan 2024 263rd alexeldridge 600 85 12ms 17 Aug 2024 265th adoxography 593 86 45ms 23 Jan 2021 265th mokymok 🇺🇸 593 86 12ms 23 Nov 2021 265th 40fied4t 593 86 13ms 15 May 2025 268th boxjelly 586 87 11ms 21 Jan 2021 268th amollberg 🇸🇪 586 87 15ms 3 Jan 2022 268th randolchance 586 87 12ms 11 Feb 2023 268th taesungh 586 87 11ms 20 Oct 2023 272nd tnecio 580 88 12ms 18 Jul 2021 273rd MichalMarsalek 🇨🇿 573 89 11ms 30 Aug 2022 273rd za3k 573 89 268ms 28 Oct 2022 275th tomh1012 567 90 11ms 23 Feb 2021 276th j-Ewan 560 91 16ms 11 Mar 2022 276th QuincyNash 🇺🇸 560 91 12ms 17 Nov 2022 278th myleopard 554 92 12ms 13 Oct 2021 278th cafehaine 🇫🇷 554 92 13ms 23 May 2022 278th glesnick 554 92 43ms 18 Aug 2022 281st AforAmpere 548 93 12ms 24 Feb 2021 281st sreyfe 548 93 11ms 6 Jun 2024 281st TheZwierzLF 🇵🇱 548 93 76ms 23 Nov 2025 284th CodyMiner 537 95 45ms 11 Nov 2021 284th MyApaulogies 537 95 10ms 26 Dec 2021 286th midnattssol 🇸🇪 531 96 12ms 27 Jul 2023 287th raphaelimahorn 526 97 12ms 10 Aug 2021 287th Foxinatel 526 97 10ms 22 Aug 2021 289th Pena86 495 103 10ms 20 Feb 2021 289th janga1 495 103 13ms 18 Aug 2021 291st eiburns 490 104 34ms 10 Jan 2022 291st Vaekor 490 104 39ms 3 Aug 2023 293rd Unknownuserfrommars 464 110 10ms 5 Aug 2025 294th bbakersmith 447 114 11ms 18 Jul 2021 294th bac0id 447 114 12ms 30 Jun 2024 296th dgambit 443 115 10ms 2 Apr 2021 296th mdnestor 443 115 26ms 14 Dec 2022 298th 4ndyJ 🇬🇧 440 116 13ms 31 Jan 2024 299th Bananapants22 432 118 10ms 30 Aug 2022 300th henrytranter 429 119 18ms 10 Feb 2021 First Prev 201–300 of 331 Next Last