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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 Arturo Befunge BQN CJam CoffeeScript Egel Erlang 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 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 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 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 Calendar 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 Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 145th HumanoidCPU 823 62 12ms 3 Jun 2024 145th jacekwladzinski 823 62 11ms 4 Oct 2025 145th Mabeloid 🇳🇴 823 62 12ms 26 Oct 2025 154th apourchot 810 63 18ms 13 Feb 2021 154th neihousaigaai 810 63 11ms 10 Apr 2021 154th lechevalier 810 63 10ms 9 Aug 2021 154th commandblockguy 🇺🇸 810 63 12ms 19 Sep 2022 154th fourth-bit 810 63 10ms 21 Nov 2022 154th FortuiteMan 🇫🇷 810 63 27ms 8 Sep 2023 154th ssbhatt4321 810 63 26ms 14 Oct 2023 154th dokutan 810 63 18ms 1 Apr 2025 162nd RDShah 797 64 11ms 17 Jan 2021 162nd andre-lameirinhas 🇵🇹 797 64 10ms 22 Feb 2021 162nd stertooy 🇧🇪 797 64 11ms 10 Jun 2024 162nd Terobero 797 64 19ms 6 Sep 2024 162nd moustave 797 64 10ms 5 May 2025 162nd Code-Coder-coder 797 64 11ms 2 hours ago 168th TobyBoyne 🇬🇧 785 65 10ms 21 Jan 2021 168th 77Tigers 785 65 30ms 1 Mar 2021 168th knutae 🇳🇴 785 65 10ms 29 Jun 2021 168th ehulinsky 🇺🇸 785 65 12ms 10 Nov 2021 168th guilhem-roy 🇫🇷 785 65 10ms 28 Feb 2022 168th martinnorling 🇸🇪 785 65 10ms 8 Mar 2022 168th IshanPanpaliya 785 65 12ms 3 May 2023 168th nooberitess 785 65 10ms 8 Apr 2025 176th ArmaanAS 773 66 10ms 4 Apr 2021 176th quimey 773 66 12ms 23 Jun 2023 176th Lv0Sys 🇵🇱 773 66 10ms 22 Jun 2025 176th solisolu 773 66 21ms 27 Oct 2025 180th msbranicky 761 67 14ms 21 Aug 2023 181st Stockoh 🇫🇷 750 68 34ms 25 Dec 2021 181st Bonjour27891 🇻🇳 750 68 36ms 1 Sep 2022 181st trist224 🇫🇷 750 68 36ms 18 Oct 2022 181st mousetail 🇳🇱 750 68 35ms 11 Aug 2023 181st Command-Master 750 68 36ms 24 Sep 2023 181st firegene 🇮🇪 750 68 36ms 12 Oct 2024 181st JunkIce 750 68 17ms 24 Nov 2024 188th abailey2020 🇺🇸 739 69 10ms 19 Feb 2021 188th Anonymousellama21 739 69 10ms 15 May 2022 188th TaserTheFox 🇺🇸 739 69 37ms 16 Feb 2023 188th Jacob385 739 69 43ms 22 Apr 2024 192nd osmith93 729 70 24ms 14 Jun 2021 192nd ridingqwerty 🇺🇸 729 70 10ms 23 Feb 2024 192nd mbittner20 729 70 10ms 15 Jul 2024 192nd RaBa21 🇭🇺 729 70 10ms 18 Jul 2025 196th SnowballSH 718 71 10ms 12 Feb 2021 196th Andre3582 718 71 10ms 18 Mar 2021 196th PhysicDev 🇫🇷 718 71 11ms 20 May 2021 196th Alban-Boissard 718 71 12ms 10 Jun 2025 200th LeeCamp 708 72 10ms 16 Feb 2022 200th LukasFolwarczny 🇨🇿 708 72 11ms 16 Sep 2022 200th CutSandstone 708 72 36ms 8 Jul 2024 203rd richard-oelze 🇩🇪 699 73 31ms 4 Apr 2021 203rd mauro-1 🇮🇹 699 73 9ms 18 Aug 2021 203rd gchenfc 699 73 9ms 24 Jan 2022 203rd hiichbindermax 699 73 10ms 26 Feb 2022 203rd Omega65536 🇩🇪 699 73 11ms 24 Nov 2022 203rd sandorstormen 699 73 11ms 18 Feb 2023 203rd Mr-McChicken 699 73 11ms 15 Oct 2023 203rd Masttest 699 73 10ms 21 Feb 2024 211th jameslindesay 689 74 11ms 24 Feb 2021 211th PkmnQ 689 74 37ms 5 May 2024 211th RedzGoose 🇦🇺 689 74 10ms 14 Oct 2024 211th yokasuretsu 689 74 11ms 13 Jan 2025 215th Trunksistor 🇫🇷 680 75 11ms 25 May 2022 215th celiendonze 🇨🇭 680 75 11ms 16 Jun 2023 215th qwjhvbxi 680 75 11ms 9 Feb 2024 215th wenbang24 680 75 13ms 6 Apr 2024 219th Waffle3z 671 76 12ms 20 Jan 2021 219th hellwue 671 76 11ms 16 Nov 2023 219th yuchuehw 671 76 18ms 18 Jan 2024 222nd f-tucker 662 77 10ms 2 Feb 2024 222nd undefinedRyan 662 77 11ms 19 Apr 2025 222nd Emutis 🇱🇹 662 77 11ms 12 Sep 2025 225th AkashTandon167 654 78 10ms 25 May 2021 First Prev 151–225 of 317 Next Last