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Kolakoski Sequence in all languages in bytes. 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 Bytes Time Submitted 201st DialFrost 🇸🇬 903 76 545ms 7 Nov 2025 202nd JayXon 🇺🇸 901 51 126ms 17 Jun 2025 203rd JayXon 🇺🇸 901 60 2ms 24 Jan 2021 203rd nwellnhof 🇩🇪 901 60 2ms 13 Jul 2022 203rd emplv 🇱🇻 901 60 2ms 28 Jul 2023 206th GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 206th Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 206th clockworknazo 901 73 11ms 19 Sep 2022 206th JayXon 🇺🇸 901 73 3ms 28 Sep 2022 206th Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 206th sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 206th Steffan153 🇫🇮 901 73 11ms 25 days ago 206th albanian-laundromat 🇺🇸 901 73 11ms 7 days ago 214th nwellnhof 🇩🇪 901 80 57ms 13 Jul 2022 215th Steffan153 🇫🇮 900 52 31ms 7 days ago 215th DayDun 🇸🇪 900 52 6ms 7 days ago 217th pardouin 🇫🇷 899 51 1,452ms 13 Apr 2025 218th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 219th stefangimmillaro 898 47 48ms 23 Mar 2023 219th Natanaelel 🇸🇪 898 47 41ms 11 Apr 2023 219th m-tkach 🇺🇦 898 47 39ms 16 Jun 2023 222nd Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 222nd sean-niemann 🇺🇸 898 60 3ms 31 Jan 2025 224th sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 224th Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 226th GrayJoKing 🇦🇺 897 52 10ms 20 Jan 2021 226th janbehrens 🇩🇪 897 52 10ms 1 Aug 2021 226th inventshah 897 52 10ms 18 Jun 2022 226th dmrichwa 🇺🇸 897 52 10ms 28 Jul 2023 230th btnlq 897 56 11ms 17 Jan 2021 230th jacklynnepenick 897 56 13ms 19 Aug 2021 230th sisyphus-ppcg 🇦🇺 897 56 28ms 23 Mar 2023 230th DialFrost 🇸🇬 897 56 33ms 3 Oct 2023 230th Seek64 🇩🇪 897 56 25ms 9 Mar 2026 235th GrayJoKing 🇦🇺 896 40 138ms 9 May 2024 236th Steffan153 🇫🇮 895 98 320ms 10 Feb 2023 236th sean-niemann 🇺🇸 895 98 358ms 21 Sep 2023 238th emplv 🇱🇻 894 72 108ms 28 Jul 2023 238th Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 240th CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 240th zacjl 894 82 9ms 24 Feb 2025 242nd inventshah 893 64 2,314ms 27 Oct 2024 242nd stefangimmillaro 893 64 2,432ms 13 Nov 2024 242nd JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 242nd pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 246th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 246th IanUtley 893 67 66ms 9 May 2024 248th JayXon 🇺🇸 892 79 457ms 28 Feb 2022 248th Steffan153 🇫🇮 892 79 464ms 23 Mar 2023 248th Lydxn 🇨🇦 892 79 469ms 23 Mar 2023 248th sean-niemann 🇺🇸 892 79 469ms 23 Sep 2023 252nd Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 253rd JayXon 🇺🇸 891 77 102ms 19 Feb 2021 254th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 254th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 254th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 254th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 254th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 259th prplz 🇦🇺 890 69 408ms 21 Nov 2021 259th DialFrost 🇸🇬 890 69 451ms 7 Nov 2025 261st zacjl 890 70 8ms 11 Mar 2026 262nd Steffan153 🇫🇮 890 81 59ms 23 Mar 2023 262nd sean-niemann 🇺🇸 890 81 61ms 23 Sep 2023 264th Steffan153 🇫🇮 889 42 109ms 7 days ago 265th Shanethegamer 🇺🇸 889 72 1,598ms 19 Jan 2025 266th inventshah 889 74 9ms 19 Sep 2022 267th Kacarott 🇦🇺 888 70 60ms 9 Dec 2025 267th GrayJoKing 🇦🇺 888 70 62ms 9 Dec 2025 269th GrayJoKing 🇦🇺 887 59 12ms 8 Aug 2023 270th clockworknazo 887 83 17ms 26 Sep 2022 270th GrayJoKing 🇦🇺 887 83 16ms 12 Feb 2023 272nd emplv 🇱🇻 887 97 26ms 27 Jul 2023 273rd GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 274th primo-ppcg 🇹🇭 886 81 39ms 2 May 2025 275th DialFrost 🇸🇬 886 99 408ms 7 Nov 2025 276th o0lit3 🇺🇸 885 42 3ms 13 Jun 2022 276th DaCuteRaccoon 885 42 4ms 9 Dec 2022 276th DialFrost 🇸🇬 885 42 4ms 1 Feb 2023 276th MeWhenI 🇻🇦 885 42 3ms 16 Apr 2023 276th nwellnhof 🇩🇪 885 42 3ms 29 May 2023 276th xsot 🇸🇬 885 42 4ms 27 Jun 2025 276th blaztoma 🇱🇹 885 42 3ms 12 Jan 2026 283rd ovs-code 🇩🇪 883 53 9ms 30 Oct 2024 284th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 285th razetime 882 17 2ms 12 Jan 2022 286th sisyphus-ppcg 🇦🇺 882 45 6ms 17 Jan 2021 286th Lydxn 🇨🇦 882 45 5ms 17 Jan 2021 286th emplv 🇱🇻 882 45 5ms 17 Jan 2021 286th GrayJoKing 🇦🇺 882 45 6ms 21 Sep 2021 286th DaCuteRaccoon 882 45 6ms 9 Dec 2022 286th DialFrost 🇸🇬 882 45 5ms 1 Feb 2023 286th janbehrens 🇩🇪 882 45 6ms 16 May 2023 293rd GrayJoKing 🇦🇺 882 57 12ms 17 Jan 2021 293rd btjones0 882 57 12ms 17 Jan 2021 293rd hallvabo 🇳🇴 882 57 11ms 18 Jan 2021 293rd TFeld00 🇩🇰 882 57 11ms 18 Jan 2021 293rd primo-ppcg 🇹🇭 882 57 11ms 18 Jan 2021 293rd prplz 🇦🇺 882 57 14ms 21 Jan 2021 293rd OllieBoyne 🇬🇧 882 57 12ms 22 Jan 2021 293rd KatieLG 🇬🇧 882 57 12ms 23 Jan 2021 First Prev 201–300 of 2,025 Next Last