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 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 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 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 Multitap Input NFA Simulator 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 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 Multitap Input NFA Simulator 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 Bytes Time Submitted 441st MarcMush 🇫🇷 851 59 10ms 12 Feb 2024 441st albanian-laundromat 851 59 12ms 13 Apr 2025 453rd MeWhenI 🇻🇦 851 72 326ms 21 Nov 2021 454th ovs-code 🇩🇪 851 138 457ms 17 Feb 2025 455th albanian-laundromat 850 77 11ms 22 Oct 2025 456th MeWhenI 🇻🇦 849 65 7ms 24 Dec 2024 457th Shanethegamer 🇺🇸 849 67 3,086ms 27 Oct 2024 457th pardouin 🇫🇷 849 67 3,488ms 23 Dec 2024 459th kg583 🇺🇸 849 86 12ms 1 Sep 2025 460th MeWhenI 🇻🇦 848 27 39ms 16 Mar 2022 461st sisyphus-ppcg 🇦🇺 848 89 123ms 25 Jan 2021 461st Bubbler-4 848 89 116ms 1 Jul 2021 463rd CatsAreFluffy 847 33 49ms 31 Dec 2022 464th jared-hughes 847 55 9ms 31 Jul 2022 464th emgordon154 847 55 10ms 4 Mar 2025 466th jared-hughes 847 84 54ms 31 Jul 2022 466th inventshah 847 84 55ms 17 Nov 2022 468th emgordon154 845 131 1,728ms 29 Nov 2024 469th blaztoma 🇱🇹 844 44 3ms 13 days ago 470th dokutan 843 47 4ms 18 Jul 2025 471st Shanethegamer 🇺🇸 843 50 37ms 22 Mar 2023 471st MeWhenI 🇻🇦 843 50 53ms 22 Mar 2023 473rd snoozingnewt 🇨🇦 843 102 104ms 21 hours ago 474th MeWhenI 🇻🇦 843 104 265ms 8 Feb 2023 475th KatieLG 🇬🇧 842 57 401ms 15 Jan 2024 475th kg583 🇺🇸 842 57 362ms 15 Jan 2024 475th GrayJoKing 🇦🇺 842 57 398ms 15 Jan 2024 475th MeWhenI 🇻🇦 842 57 436ms 17 Jan 2024 475th Yewzir 🇧🇪 842 57 408ms 29 Feb 2024 475th SirBogman 🇺🇸 842 57 483ms 10 Jun 2024 475th lifthrasiir 🇰🇷 842 57 458ms 2 Dec 2024 475th GolfingSuccess 🇬🇷 842 57 453ms 24 Dec 2024 475th emgordon154 842 57 421ms 23 Apr 2025 475th Babafaba 842 57 433ms 17 days ago 485th MeWhenI 🇻🇦 842 76 47ms 16 Jun 2022 486th ovs-code 🇩🇪 842 87 106ms 8 Mar 2024 487th fuzzylojik-golf 🇺🇸 841 23 5ms 6 Sep 2025 488th btnlq 841 43 226ms 26 Jan 2021 488th primo-ppcg 🇹🇭 841 43 206ms 25 May 2021 490th primo-ppcg 🇹🇭 839 87 29ms 25 Jan 2023 491st acotis 839 90 130ms 3 Oct 2025 492nd Yewzir 🇧🇪 839 132 1,697ms 27 Apr 2024 493rd AGoyet 837 60 13ms 29 Jun 2022 493rd jakobkordez 🇸🇮 837 60 16ms 8 Nov 2022 493rd betaveros 837 60 18ms 31 Dec 2022 493rd AlexanderFair 837 60 11ms 23 Jun 2023 493rd Andriamanitra 🇫🇮 837 60 12ms 20 Jul 2023 493rd dranjohn 837 60 51ms 15 Sep 2023 493rd SB-945 837 60 10ms 20 Feb 2024 493rd inverseLorentz 🇦🇺 837 60 10ms 9 Apr 2024 493rd 051 🇸🇬 837 60 12ms 1 Aug 2024 493rd KasperKivimaeki 🇫🇮 837 60 11ms 30 Jun 2025 493rd vgamula 🇺🇦 837 60 30ms 28 Jul 2025 493rd LuisGoncalves05 🇵🇹 837 60 10ms 29 Jul 2025 505th GrayJoKing 🇦🇺 837 84 462ms 28 Feb 2022 506th primo-ppcg 🇹🇭 837 85 52ms 18 Jan 2022 506th 09cf 837 85 55ms 24 Sep 2023 508th GrayJoKing 🇦🇺 834 55 135ms 6 Aug 2024 509th GrayJoKing 🇦🇺 833 57 47ms 5 Sep 2024 510th MeWhenI 🇻🇦 832 56 9ms 8 Jun 2022 510th Yewzir 🇧🇪 832 56 9ms 16 Nov 2023 510th voytxt 🇨🇿 832 56 9ms 25 Jan 2025 510th targrik 832 56 9ms 21 Feb 2025 514th sean-niemann 🇺🇸 832 77 45ms 18 Dec 2023 515th kritixilithos 831 58 3ms 29 May 2024 516th primo-ppcg 🇹🇭 831 77 1,330ms 30 Nov 2021 517th prplz 🇦🇺 830 65 2ms 24 Jan 2021 517th sisyphus-ppcg 🇦🇺 830 65 2ms 25 Jan 2021 517th inventshah 830 65 2ms 17 Nov 2022 517th 09cf 830 65 2ms 24 Sep 2023 517th DialFrost 🇸🇬 830 65 2ms 6 May 2025 522nd sisyphus-ppcg 🇦🇺 829 60 118ms 25 Feb 2021 522nd sean-niemann 🇺🇸 829 60 113ms 27 Dec 2023 524th neel11235813 828 58 355ms 15 Jan 2024 524th Kacarott 🇦🇺 828 58 365ms 15 Jan 2024 First Prev 451–525 of 1,880 Next Last