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 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 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 241st GrayJoKing 🇦🇺 895 67 64ms 23 Mar 2023 241st IanUtley 895 67 66ms 9 May 2024 243rd CLOStrophobic 🇮🇹 895 82 60ms 24 Feb 2025 243rd zacjl 895 82 9ms 24 Feb 2025 245th inventshah 894 64 2,314ms 27 Oct 2024 245th stefangimmillaro 894 64 2,432ms 13 Nov 2024 245th JayXon 🇺🇸 894 64 2,384ms 13 Nov 2024 245th pardouin 🇫🇷 894 64 2,646ms 16 Feb 2026 249th Lydxn 🇨🇦 893 75 135ms 12 Jul 2021 250th JayXon 🇺🇸 893 79 457ms 28 Feb 2022 250th Steffan153 🇫🇮 893 79 464ms 23 Mar 2023 250th Lydxn 🇨🇦 893 79 469ms 23 Mar 2023 250th sean-niemann 🇺🇸 893 79 469ms 23 Sep 2023 254th Lydxn 🇨🇦 892 45 2ms 30 Oct 2022 254th sean-niemann 🇺🇸 892 45 2ms 31 Oct 2022 254th primo-ppcg 🇹🇭 892 45 2ms 7 Nov 2022 254th Steffan153 🇫🇮 892 45 2ms 11 Apr 2023 254th DialFrost 🇸🇬 892 45 2ms 21 Dec 2024 259th zacjl 892 70 8ms 11 Mar 2026 260th JayXon 🇺🇸 892 77 102ms 19 Feb 2021 261st Steffan153 🇫🇮 891 42 96ms 4 days ago 262nd prplz 🇦🇺 891 69 408ms 21 Nov 2021 262nd DialFrost 🇸🇬 891 69 451ms 7 Nov 2025 264th Shanethegamer 🇺🇸 891 72 1,598ms 19 Jan 2025 265th Steffan153 🇫🇮 891 81 59ms 23 Mar 2023 265th sean-niemann 🇺🇸 891 81 61ms 23 Sep 2023 267th Kacarott 🇦🇺 890 70 60ms 9 Dec 2025 267th GrayJoKing 🇦🇺 890 70 62ms 9 Dec 2025 269th inventshah 890 74 9ms 19 Sep 2022 270th GrayJoKing 🇦🇺 889 59 12ms 8 Aug 2023 271st emplv 🇱🇻 889 97 26ms 27 Jul 2023 272nd primo-ppcg 🇹🇭 887 81 39ms 2 May 2025 273rd clockworknazo 887 83 17ms 26 Sep 2022 273rd GrayJoKing 🇦🇺 887 83 16ms 12 Feb 2023 275th DialFrost 🇸🇬 887 99 408ms 7 Nov 2025 276th o0lit3 🇺🇸 886 42 3ms 13 Jun 2022 276th DaCuteRaccoon 886 42 4ms 9 Dec 2022 276th DialFrost 🇸🇬 886 42 4ms 1 Feb 2023 276th MeWhenI 🇻🇦 886 42 3ms 16 Apr 2023 276th nwellnhof 🇩🇪 886 42 3ms 29 May 2023 276th xsot 🇸🇬 886 42 4ms 27 Jun 2025 276th blaztoma 🇱🇹 886 42 3ms 12 Jan 2026 283rd GrayJoKing 🇦🇺 886 69 1ms 9 Apr 2022 284th ovs-code 🇩🇪 885 53 9ms 30 Oct 2024 285th GrayJoKing 🇦🇺 885 63 7ms 31 Jan 2025 286th sisyphus-ppcg 🇦🇺 883 45 6ms 17 Jan 2021 286th Lydxn 🇨🇦 883 45 5ms 17 Jan 2021 286th emplv 🇱🇻 883 45 5ms 17 Jan 2021 286th GrayJoKing 🇦🇺 883 45 6ms 21 Sep 2021 286th DaCuteRaccoon 883 45 6ms 9 Dec 2022 286th DialFrost 🇸🇬 883 45 5ms 1 Feb 2023 286th janbehrens 🇩🇪 883 45 6ms 16 May 2023 293rd JayXon 🇺🇸 883 73 111ms 15 Oct 2022 293rd Steffan153 🇫🇮 883 73 112ms 7 Dec 2022 293rd sean-niemann 🇺🇸 883 73 110ms 20 May 2024 296th DialFrost 🇸🇬 883 74 116ms 28 Apr 2025 297th razetime 882 17 2ms 12 Jan 2022 298th GrayJoKing 🇦🇺 882 57 12ms 17 Jan 2021 298th btjones0 882 57 12ms 17 Jan 2021 298th hallvabo 🇳🇴 882 57 11ms 18 Jan 2021 298th TFeld00 🇩🇰 882 57 11ms 18 Jan 2021 298th primo-ppcg 🇹🇭 882 57 11ms 18 Jan 2021 298th prplz 🇦🇺 882 57 14ms 21 Jan 2021 298th OllieBoyne 🇬🇧 882 57 12ms 22 Jan 2021 298th KatieLG 🇬🇧 882 57 12ms 23 Jan 2021 298th hiddicop 🇸🇪 882 57 12ms 29 Jan 2021 298th anter69 🇭🇺 882 57 12ms 3 Feb 2021 298th lynn 882 57 15ms 6 Mar 2021 298th kops-cg 882 57 11ms 8 Apr 2021 298th clementblaudeau 882 57 11ms 1 Jun 2021 298th orthoplex 🇨🇽 882 57 13ms 29 Jul 2021 298th jared-hughes 882 57 12ms 14 Aug 2021 298th michelebastione 🇮🇹 882 57 14ms 16 Aug 2021 298th RYNO8 882 57 10ms 4 Sep 2021 298th Indivicivet 882 57 11ms 26 Oct 2021 298th annaproxy 882 57 12ms 8 Dec 2021 298th Fishron 882 57 15ms 22 Dec 2021 298th MeWhenI 🇻🇦 882 57 11ms 25 Dec 2021 298th bricknellj 882 57 15ms 14 Jan 2022 298th scpchicken 🇵🇼 882 57 11ms 12 Mar 2022 First Prev 241–320 of 2,109 Next Last