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 Lily 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 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 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 157th fourth-bit 810 63 12ms 21 Nov 2022 157th FortuiteMan 🇫🇷 810 63 38ms 8 Sep 2023 157th ssbhatt4321 810 63 27ms 14 Oct 2023 157th dokutan 810 63 18ms 1 Apr 2025 157th Flekay 🇩🇪 810 63 12ms 81 mins ago 166th RDShah 797 64 12ms 17 Jan 2021 166th andre-lameirinhas 🇵🇹 797 64 11ms 22 Feb 2021 166th stertooy 🇧🇪 797 64 11ms 10 Jun 2024 166th Terobero 797 64 22ms 6 Sep 2024 166th moustave 797 64 12ms 5 May 2025 166th Code-Coder-coder 797 64 11ms 25 Nov 2025 166th Lv0Sys 🇵🇱 797 64 11ms 4 Dec 2025 173rd TobyBoyne 🇬🇧 785 65 13ms 21 Jan 2021 173rd 77Tigers 785 65 34ms 1 Mar 2021 173rd knutae 🇳🇴 785 65 10ms 29 Jun 2021 173rd ehulinsky 🇺🇸 785 65 15ms 10 Nov 2021 173rd guilhem-roy 🇫🇷 785 65 12ms 28 Feb 2022 173rd martinnorling 🇸🇪 785 65 11ms 8 Mar 2022 173rd IshanPanpaliya 785 65 11ms 3 May 2023 173rd nooberitess 785 65 12ms 8 Apr 2025 181st ArmaanAS 773 66 13ms 4 Apr 2021 181st quimey 773 66 10ms 23 Jun 2023 183rd msbranicky 761 67 15ms 21 Aug 2023 183rd JOrE20 761 67 11ms 7 days ago 185th Stockoh 🇫🇷 750 68 41ms 25 Dec 2021 185th Bonjour27891 🇻🇳 750 68 38ms 1 Sep 2022 185th trist224 🇫🇷 750 68 37ms 18 Oct 2022 185th mousetail 🇳🇱 750 68 38ms 11 Aug 2023 185th Command-Master 750 68 40ms 24 Sep 2023 185th firegene 🇮🇪 750 68 36ms 12 Oct 2024 185th JunkIce 750 68 20ms 24 Nov 2024 192nd abailey2020 🇺🇸 739 69 10ms 19 Feb 2021 192nd Anonymousellama21 739 69 12ms 15 May 2022 192nd TaserTheFox 🇺🇸 739 69 38ms 16 Feb 2023 192nd Jacob385 739 69 48ms 22 Apr 2024 196th osmith93 729 70 25ms 14 Jun 2021 196th ridingqwerty 🇺🇸 729 70 12ms 23 Feb 2024 196th mbittner20 729 70 11ms 15 Jul 2024 196th RaBa21 🇭🇺 729 70 12ms 18 Jul 2025 200th SnowballSH 718 71 11ms 12 Feb 2021 200th Andre3582 718 71 12ms 18 Mar 2021 200th PhysicDev 🇫🇷 718 71 11ms 20 May 2021 200th Alban-Boissard 718 71 13ms 10 Jun 2025 204th LeeCamp 708 72 10ms 16 Feb 2022 204th LukasFolwarczny 🇨🇿 708 72 10ms 16 Sep 2022 204th CutSandstone 708 72 41ms 8 Jul 2024 207th richard-oelze 🇩🇪 699 73 30ms 4 Apr 2021 207th mauro-1 🇮🇹 699 73 9ms 18 Aug 2021 207th gchenfc 699 73 10ms 24 Jan 2022 207th hiichbindermax 699 73 11ms 26 Feb 2022 207th Omega65536 🇩🇪 699 73 11ms 24 Nov 2022 207th sandorstormen 699 73 11ms 18 Feb 2023 207th Mr-McChicken 699 73 11ms 15 Oct 2023 207th Masttest 699 73 10ms 21 Feb 2024 215th jameslindesay 689 74 12ms 24 Feb 2021 215th PkmnQ 689 74 43ms 5 May 2024 215th RedzGoose 🇦🇺 689 74 11ms 14 Oct 2024 215th yokasuretsu 689 74 12ms 13 Jan 2025 219th Trunksistor 🇫🇷 680 75 12ms 25 May 2022 219th celiendonze 🇨🇭 680 75 12ms 16 Jun 2023 219th qwjhvbxi 680 75 11ms 9 Feb 2024 219th wenbang24 680 75 14ms 6 Apr 2024 223rd Waffle3z 671 76 14ms 20 Jan 2021 223rd hellwue 671 76 12ms 16 Nov 2023 223rd yuchuehw 671 76 17ms 18 Jan 2024 226th f-tucker 662 77 11ms 2 Feb 2024 226th undefinedRyan 662 77 15ms 19 Apr 2025 226th Emutis 🇱🇹 662 77 14ms 12 Sep 2025 229th AkashTandon167 654 78 11ms 25 May 2021 229th jhpaques 🇫🇷 654 78 20ms 30 Nov 2022 231st twocatsinatrenchcoat 646 79 10ms 29 Mar 2022 231st SniperSmiley 🇺🇸 646 79 41ms 23 Jun 2022 231st Glinte 646 79 19ms 14 Dec 2023 231st Bmrl7 646 79 14ms 19 Mar 2024 235th bastienvoirin 🇫🇷 638 80 15ms 4 Feb 2021 235th argusdusty 🇺🇸 638 80 20ms 25 Mar 2021 235th OppositeShark 638 80 10ms 9 Apr 2022 235th WillowWispy 638 80 11ms 16 Mar 2025 239th vodker1 630 81 11ms 9 Mar 2022 239th tooningelaere 630 81 10ms 5 Dec 2022 First Prev 161–240 of 321 Next Last