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 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 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 561st GrayJoKing 🇦🇺 829 65 4ms 9 Nov 2023 562nd Irratix 🇳🇱 828 51 34ms 4 Mar 2022 563rd Shanethegamer 🇺🇸 828 83 105ms 19 Apr 2022 564th emgordon154 828 137 1,675ms 3 days ago 565th MeWhenI 🇻🇦 827 78 112ms 14 Oct 2022 566th GrayJoKing 🇦🇺 825 81 120ms 14 Mar 2022 566th MeWhenI 🇻🇦 825 81 120ms 15 Nov 2022 568th petroselo 824 61 10ms 16 Nov 2021 568th Irratix 🇳🇱 824 61 12ms 8 Dec 2021 568th cubed-guy 824 61 12ms 12 Feb 2022 568th CedricGebistorf 824 61 12ms 18 Feb 2022 568th jascotm 824 61 11ms 17 May 2022 568th Eilonlif 🇮🇱 824 61 39ms 9 Sep 2022 568th vishwathg 824 61 21ms 18 Sep 2022 568th ZakkkkAttackkkk 🇵🇭 824 61 13ms 19 Aug 2023 568th jtaxen 824 61 10ms 26 Mar 2024 568th ahmetdemirag 🇨🇾 824 61 18ms 5 Nov 2024 568th Pyroan 824 61 13ms 16 Mar 2025 568th tri1212 🇻🇳 824 61 12ms 16 Apr 2025 568th zgialor-lab 824 61 10ms 8 days ago 581st alemelis 823 60 1,968ms 14 Aug 2024 581st antimon2 🇯🇵 823 60 517ms 115 mins ago 583rd Steffan153 🇫🇮 822 110 6ms 2 days ago 584th ovs-code 🇩🇪 820 56 154ms 3 Aug 2024 585th primo-ppcg 🇹🇭 820 66 2ms 18 Jan 2021 585th jared-hughes 820 66 2ms 31 Jul 2022 587th KasperKivimaeki 🇫🇮 820 88 56ms 27 Nov 2025 587th emgordon154 820 88 57ms 8 Feb 2026 589th m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 590th NewDefectus 🇮🇱 818 57 10ms 1 Nov 2021 591st inventshah 818 59 2ms 18 May 2022 591st MeWhenI 🇻🇦 818 59 2ms 18 May 2022 593rd Yewzir 🇧🇪 818 61 148ms 16 Nov 2023 594th duckyluuk 🇳🇱 818 70 2,273ms 28 Oct 2024 594th jkelly467 818 70 2,503ms 22 Dec 2025 596th Shanethegamer 🇺🇸 818 84 468ms 25 Sep 2025 597th Shanethegamer 🇺🇸 817 96 85ms 9 Jun 2022 598th ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 598th inventshah 816 66 2ms 22 Oct 2023 600th Steffan153 🇫🇮 816 90 5ms 10 Feb 2023 601st BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 602nd Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 603rd m-tkach 🇺🇦 813 106 25ms 25 Apr 2022 604th Shanethegamer 🇺🇸 813 108 326ms 26 Sep 2021 605th janlelis 812 52 38ms 18 Jan 2021 605th hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 605th prplz 🇦🇺 812 52 39ms 22 Apr 2021 605th anter69 🇭🇺 812 52 41ms 14 Jan 2022 605th OhmNomNom 812 52 76ms 12 Oct 2022 605th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 605th emgordon154 812 52 40ms 26 Nov 2024 612th GolfingSuccess 🇬🇷 812 81 9ms 9 Sep 2022 613th vezzick 811 62 13ms 12 Mar 2021 613th schachmattmatt 811 62 14ms 18 Aug 2021 613th cooljoseph1 811 62 24ms 6 May 2022 613th fredrik-bakke 🇳🇴 811 62 24ms 29 Sep 2022 613th nkoppel 811 62 16ms 19 Oct 2022 613th AodhanDalton 811 62 13ms 4 Nov 2022 613th nstearns96 🇬🇧 811 62 19ms 28 Nov 2022 613th adamnielson42 🇺🇸 811 62 12ms 10 Jan 2024 613th jbjd 811 62 11ms 2 Mar 2024 613th wh3n3v3r 🇨🇿 811 62 11ms 12 Nov 2024 613th jacekwladzinski 811 62 13ms 4 Oct 2025 613th Mabeloid 🇳🇴 811 62 12ms 26 Oct 2025 625th m-tkach 🇺🇦 811 89 60ms 25 Apr 2022 625th MeWhenI 🇻🇦 811 89 57ms 8 May 2022 627th Shanethegamer 🇺🇸 809 76 419ms 13 Dec 2021 628th emgordon154 808 85 8ms 3 Jan 2025 629th Dazza314 🇬🇧 807 24 3ms 16 Apr 2021 630th emgordon154 807 67 2ms 22 Apr 2025 631st Shanethegamer 🇺🇸 807 94 122ms 25 Jan 2021 632nd stefangimmillaro 806 80 105ms 23 Sep 2023 633rd DaDerpDuck 805 76 1ms 20 Jan 2021 634th prplz 🇦🇺 805 83 124ms 10 Jul 2024 635th ArmaanAS 804 58 10ms 4 Apr 2021 635th itsh01 804 58 13ms 18 Nov 2021 637th Steffan153 🇫🇮 804 60 2ms 6 May 2023 638th GolfingSuccess 🇬🇷 803 69 8ms 24 Dec 2024 639th MeWhenI 🇻🇦 802 50 3ms 11 Nov 2022 640th MeWhenI 🇻🇦 802 88 457ms 28 Feb 2022 First Prev 561–640 of 2,077 Next Last