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 478th rschwa6308 🇺🇸 852 59 11ms 28 Jun 2021 478th NewDefectus 🇮🇱 852 59 13ms 25 Oct 2021 478th jacksonhenry3 852 59 13ms 21 Dec 2021 478th NicoAdams 852 59 13ms 21 Dec 2021 478th aksyristos 852 59 16ms 28 Feb 2023 478th BREMAUCY 🇫🇷 852 59 11ms 27 Apr 2023 478th 2011-Chan-Ethan 852 59 12ms 17 Jul 2023 478th MarcMush 🇫🇷 852 59 11ms 12 Feb 2024 478th albanian-laundromat 🇺🇸 852 59 14ms 13 Apr 2025 478th plcc0 852 59 13ms 13 Jan 2026 478th CommandLeo 🇮🇹 852 59 12ms 18 Jan 2026 478th pengu1n-master 852 59 12ms 10 Feb 2026 478th retrohun 852 59 11ms 13 days ago 494th sisyphus-ppcg 🇦🇺 852 89 121ms 25 Jan 2021 494th Bubbler-4 852 89 120ms 1 Jul 2021 496th CatsAreFluffy 850 33 56ms 31 Dec 2022 497th primo-ppcg 🇹🇭 849 85 59ms 18 Jan 2022 497th 09cf 849 85 66ms 24 Sep 2023 499th MeWhenI 🇻🇦 848 27 33ms 16 Mar 2022 500th jared-hughes 848 55 10ms 31 Jul 2022 500th emgordon154 848 55 11ms 4 Mar 2025 502nd ovs-code 🇩🇪 846 87 110ms 8 Mar 2024 502nd Steffan153 🇫🇮 846 87 15ms 5 days ago 504th dokutan 845 47 5ms 18 Jul 2025 505th Shanethegamer 🇺🇸 845 50 40ms 22 Mar 2023 505th MeWhenI 🇻🇦 845 50 39ms 22 Mar 2023 507th MeWhenI 🇻🇦 845 76 37ms 16 Jun 2022 508th KatieLG 🇬🇧 844 57 477ms 15 Jan 2024 508th kg583 🇺🇸 844 57 421ms 15 Jan 2024 508th GrayJoKing 🇦🇺 844 57 496ms 15 Jan 2024 508th MeWhenI 🇻🇦 844 57 548ms 17 Jan 2024 508th Yewzir 🇧🇪 844 57 494ms 29 Feb 2024 508th SirBogman 🇺🇸 844 57 484ms 10 Jun 2024 508th lifthrasiir 🇰🇷 844 57 470ms 2 Dec 2024 508th GolfingSuccess 🇬🇷 844 57 476ms 24 Dec 2024 508th emgordon154 844 57 448ms 23 Apr 2025 508th Babafaba 844 57 458ms 19 Nov 2025 508th CaedenHarper 🇨🇦 844 57 548ms 9 Dec 2025 519th primo-ppcg 🇹🇭 844 87 30ms 25 Jan 2023 520th MeWhenI 🇻🇦 844 104 333ms 8 Feb 2023 521st btnlq 843 43 262ms 26 Jan 2021 521st primo-ppcg 🇹🇭 843 43 255ms 25 May 2021 523rd acotis 843 90 130ms 3 Oct 2025 524th fuzzylojik-golf 🇺🇸 842 23 3ms 6 Sep 2025 525th GrayJoKing 🇦🇺 840 84 466ms 28 Feb 2022 526th AGoyet 838 60 14ms 29 Jun 2022 526th jakobkordez 🇸🇮 838 60 16ms 8 Nov 2022 526th betaveros 838 60 20ms 31 Dec 2022 526th AlexanderFair 838 60 11ms 23 Jun 2023 526th Andriamanitra 🇫🇮 838 60 13ms 20 Jul 2023 526th dranjohn 838 60 51ms 15 Sep 2023 526th SB-945 838 60 12ms 20 Feb 2024 526th inverseLorentz 🇦🇺 838 60 12ms 9 Apr 2024 526th 051 🇸🇬 838 60 12ms 1 Aug 2024 526th vgamula 🇺🇦 838 60 33ms 28 Jul 2025 526th LuisGoncalves05 🇵🇹 838 60 11ms 29 Jul 2025 526th solisolu 838 60 11ms 1 Jan 2026 538th GrayJoKing 🇦🇺 837 55 136ms 6 Aug 2024 539th nwellnhof 🇩🇪 834 43 174ms 21 Oct 2021 539th primo-ppcg 🇹🇭 834 43 164ms 22 Apr 2022 541st sean-niemann 🇺🇸 834 77 41ms 18 Dec 2023 542nd Yewzir 🇧🇪 834 136 1,650ms 5 days ago 543rd MeWhenI 🇻🇦 833 56 10ms 8 Jun 2022 543rd Yewzir 🇧🇪 833 56 11ms 16 Nov 2023 543rd voytxt 🇨🇿 833 56 11ms 25 Jan 2025 543rd targrik 833 56 11ms 21 Feb 2025 547th kritixilithos 833 58 3ms 29 May 2024 548th primo-ppcg 🇹🇭 833 77 1,534ms 30 Nov 2021 549th prplz 🇦🇺 832 65 2ms 24 Jan 2021 549th sisyphus-ppcg 🇦🇺 832 65 2ms 25 Jan 2021 549th inventshah 832 65 2ms 17 Nov 2022 549th 09cf 832 65 2ms 24 Sep 2023 549th DialFrost 🇸🇬 832 65 2ms 6 May 2025 554th sisyphus-ppcg 🇦🇺 831 60 148ms 25 Feb 2021 554th sean-niemann 🇺🇸 831 60 155ms 27 Dec 2023 556th GrayJoKing 🇦🇺 830 65 4ms 9 Nov 2023 557th Yewzir 🇧🇪 830 85 469ms 16 Nov 2023 558th neel11235813 829 58 536ms 15 Jan 2024 558th Kacarott 🇦🇺 829 58 461ms 15 Jan 2024 558th Shanethegamer 🇺🇸 829 58 487ms 16 Jan 2024 First Prev 481–560 of 2,107 Next Last