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 557th AlephSquirrel 829 58 411ms 21 Jan 2024 557th namelessiw 829 58 509ms 15 Aug 2024 557th snoozingnewt 🇨🇦 829 58 480ms 1 Dec 2025 564th Irratix 🇳🇱 828 51 39ms 4 Mar 2022 565th Shanethegamer 🇺🇸 828 83 100ms 19 Apr 2022 566th emgordon154 828 137 1,675ms 9 days ago 567th MeWhenI 🇻🇦 827 78 112ms 14 Oct 2022 568th GrayJoKing 🇦🇺 827 81 120ms 14 Mar 2022 568th MeWhenI 🇻🇦 827 81 120ms 15 Nov 2022 570th Steffan153 🇫🇮 826 110 6ms 7 days ago 571st petroselo 824 61 10ms 16 Nov 2021 571st Irratix 🇳🇱 824 61 12ms 8 Dec 2021 571st cubed-guy 824 61 12ms 12 Feb 2022 571st CedricGebistorf 824 61 12ms 18 Feb 2022 571st jascotm 824 61 11ms 17 May 2022 571st Eilonlif 🇮🇱 824 61 39ms 9 Sep 2022 571st vishwathg 824 61 21ms 18 Sep 2022 571st ZakkkkAttackkkk 🇵🇭 824 61 13ms 19 Aug 2023 571st jtaxen 824 61 10ms 26 Mar 2024 571st ahmetdemirag 🇨🇾 824 61 18ms 5 Nov 2024 571st Pyroan 824 61 13ms 16 Mar 2025 571st tri1212 🇻🇳 824 61 12ms 16 Apr 2025 571st zgialor-lab 824 61 10ms 13 days ago 584th GrayJoKing 🇦🇺 823 57 36ms 5 Sep 2024 585th alemelis 823 60 1,968ms 14 Aug 2024 585th antimon2 🇯🇵 823 60 517ms 5 days ago 587th ovs-code 🇩🇪 822 56 137ms 3 Aug 2024 588th m-tkach 🇺🇦 821 101 29ms 18 Jan 2024 589th primo-ppcg 🇹🇭 820 66 2ms 18 Jan 2021 589th jared-hughes 820 66 2ms 31 Jul 2022 591st KasperKivimaeki 🇫🇮 820 88 61ms 27 Nov 2025 591st emgordon154 820 88 61ms 8 Feb 2026 593rd inventshah 819 59 2ms 18 May 2022 593rd MeWhenI 🇻🇦 819 59 2ms 18 May 2022 595th NewDefectus 🇮🇱 818 57 10ms 1 Nov 2021 596th Yewzir 🇧🇪 818 61 148ms 16 Nov 2023 597th ovs-code 🇩🇪 818 66 2ms 10 Oct 2023 597th inventshah 818 66 2ms 22 Oct 2023 599th duckyluuk 🇳🇱 818 70 2,589ms 28 Oct 2024 599th jkelly467 818 70 2,385ms 22 Dec 2025 601st Shanethegamer 🇺🇸 818 84 468ms 25 Sep 2025 602nd Shanethegamer 🇺🇸 817 96 85ms 9 Jun 2022 603rd BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 604th Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 605th GolfingSuccess 🇬🇷 813 81 9ms 9 Sep 2022 605th emgordon154 813 81 3ms 11 hours ago 607th m-tkach 🇺🇦 813 106 25ms 25 Apr 2022 608th Shanethegamer 🇺🇸 813 108 326ms 26 Sep 2021 609th janlelis 812 52 42ms 18 Jan 2021 609th hiddicop 🇸🇪 812 52 42ms 29 Jan 2021 609th prplz 🇦🇺 812 52 40ms 22 Apr 2021 609th anter69 🇭🇺 812 52 40ms 14 Jan 2022 609th OhmNomNom 812 52 83ms 12 Oct 2022 609th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 609th emgordon154 812 52 43ms 26 Nov 2024 616th vezzick 811 62 13ms 12 Mar 2021 616th schachmattmatt 811 62 14ms 18 Aug 2021 616th cooljoseph1 811 62 24ms 6 May 2022 616th fredrik-bakke 🇳🇴 811 62 24ms 29 Sep 2022 616th nkoppel 811 62 16ms 19 Oct 2022 616th AodhanDalton 811 62 13ms 4 Nov 2022 616th nstearns96 🇬🇧 811 62 19ms 28 Nov 2022 616th adamnielson42 🇺🇸 811 62 12ms 10 Jan 2024 616th jbjd 811 62 11ms 2 Mar 2024 616th wh3n3v3r 🇨🇿 811 62 11ms 12 Nov 2024 616th jacekwladzinski 811 62 13ms 4 Oct 2025 616th Mabeloid 🇳🇴 811 62 12ms 26 Oct 2025 628th m-tkach 🇺🇦 811 89 57ms 25 Apr 2022 628th MeWhenI 🇻🇦 811 89 60ms 8 May 2022 630th Shanethegamer 🇺🇸 809 76 393ms 13 Dec 2021 631st emgordon154 808 85 8ms 3 Jan 2025 632nd Dazza314 🇬🇧 807 24 3ms 16 Apr 2021 633rd emgordon154 807 67 2ms 22 Apr 2025 634th prplz 🇦🇺 807 83 124ms 10 Jul 2024 635th Shanethegamer 🇺🇸 807 94 122ms 25 Jan 2021 636th stefangimmillaro 806 80 105ms 23 Sep 2023 637th Steffan153 🇫🇮 805 60 2ms 6 May 2023 638th GolfingSuccess 🇬🇷 805 69 8ms 24 Dec 2024 639th DaDerpDuck 805 76 1ms 20 Jan 2021 640th ArmaanAS 804 58 9ms 4 Apr 2021 First Prev 561–640 of 2,107 Next Last