Kolakoski Sequence in JavaScript in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 1st emplv 🇱🇻 1,000 49 9ms 17 Jan 2021 1st o0lit3 🇺🇸 1,000 49 10ms 21 Jan 2021 1st HPWiz 🇳🇿 1,000 49 10ms 23 Jan 2021 1st JayXon 🇺🇸 1,000 49 9ms 19 Feb 2021 1st Lydxn 🇨🇦 1,000 49 10ms 4 Jan 2022 1st TrueBoxGuy 1,000 49 13ms 27 Jul 2023 1st vlpx 🇫🇮 1,000 49 10ms 18 Jun 2024 1st xsot 🇸🇬 1,000 49 22ms 3 May 2025 9th nwellnhof 🇩🇪 980 50 10ms 13 Jul 2022 9th lukegustafson 🇺🇸 980 50 17ms 17 Jun 2025 11th primo-ppcg 🇹🇭 961 51 10ms 20 Jan 2021 11th sisyphus-ppcg 🇦🇺 961 51 12ms 24 Jan 2021 11th Irratix 🇳🇱 961 51 10ms 24 Aug 2021 11th Steffan153 🇫🇮 961 51 13ms 23 Mar 2023 11th rucin93 🇵🇱 961 51 9ms 13 May 2023 11th sean-niemann 🇺🇸 961 51 10ms 16 May 2023 11th stefangimmillaro 961 51 10ms 18 Sep 2023 11th Argeento 🇵🇱 961 51 10ms 28 Sep 2023 11th DialFrost 🇸🇬 961 51 13ms 3 Jul 2024 20th GrayJoKing 🇦🇺 942 52 10ms 20 Jan 2021 20th janbehrens 🇩🇪 942 52 11ms 1 Aug 2021 20th inventshah 942 52 10ms 18 Jun 2022 20th dmrichwa 🇺🇸 942 52 10ms 28 Jul 2023 24th tomtheisen 🇺🇸 925 53 12ms 18 Jan 2021 24th prplz 🇦🇺 925 53 10ms 24 Jan 2021 24th jakzo 925 53 11ms 5 Sep 2021 24th ovs-code 🇩🇪 925 53 13ms 5 Oct 2023 24th dokutan 925 53 8ms 18 Jul 2025 29th DaCuteRaccoon 907 54 10ms 9 Dec 2022 30th jared-hughes 891 55 10ms 31 Jul 2022 30th emgordon154 891 55 9ms 4 Mar 2025 32nd MeWhenI 🇻🇦 875 56 12ms 8 Jun 2022 32nd Yewzir 🇧🇪 875 56 10ms 16 Nov 2023 32nd voytxt 🇨🇿 875 56 9ms 25 Jan 2025 32nd targrik 875 56 8ms 21 Feb 2025 36th NewDefectus 🇮🇱 860 57 10ms 1 Nov 2021 37th ArmaanAS 845 58 10ms 4 Apr 2021 37th itsh01 845 58 14ms 18 Nov 2021 39th Salutations45 831 59 12ms 9 Jan 2025 40th rak1507 🇬🇧 817 60 10ms 20 Jan 2021 40th Shanethegamer 🇺🇸 817 60 11ms 26 Sep 2021 40th duckyluuk 🇳🇱 817 60 10ms 4 Oct 2024 43rd Waffle3z 803 61 11ms 20 Jan 2021 43rd didion0 🇺🇸 803 61 9ms 9 Feb 2021 43rd KrausRaus 🇺🇸 803 61 12ms 19 Feb 2021 43rd tayloia 🇬🇧 803 61 10ms 29 May 2022 47th ScottHamper 790 62 11ms 1 Jun 2021 47th helbling 🇨🇭 790 62 11ms 2 Oct 2024 49th olivermrose 🇺🇸 778 63 16ms 21 Sep 2021 49th GeorgeStechman 🇬🇧 778 63 9ms 17 Nov 2022 51st dvik72 766 64 9ms 1 Jun 2022 51st AlephSquirrel 766 64 10ms 16 Feb 2023 53rd igmcdowell 754 65 10ms 23 Nov 2021 54th omurakazuaki 🇯🇵 742 66 11ms 18 Feb 2021 54th BambooleanLogic 🇸🇪 742 66 10ms 22 Aug 2022 54th coreynash 742 66 9ms 21 Oct 2023 54th two-bad 🇬🇧 742 66 10ms 24 Nov 2023 54th dylanarmstrong 742 66 10ms 15 Jan 2024 59th neihousaigaai 731 67 11ms 10 Apr 2021 59th madeforlosers 731 67 9ms 6 Nov 2023 61st CaedenHarper 🇨🇦 700 70 10ms 31 Jan 2025 62nd uttumuttu 🇫🇮 690 71 10ms 8 Jan 2022 62nd olleicua 🇺🇸 690 71 13ms 20 Feb 2024 64th Maznek 671 73 13ms 30 Jun 2023 65th AbhayAravinda 636 77 9ms 1 May 2021 66th BBoehm 🇩🇪 628 78 9ms 26 Jan 2021 66th KatieLG 🇬🇧 628 78 12ms 16 Apr 2021 68th aaronze 🇦🇺 620 79 9ms 26 Apr 2021 68th raphaelimahorn 620 79 10ms 10 Aug 2021 68th inverseLorentz 🇦🇺 620 79 9ms 30 Jun 2022 71st XenThe 🇬🇧 605 81 9ms 23 Jul 2025 72nd Natanaelel 🇸🇪 598 82 10ms 20 Jan 2024 73rd c0d3-4-F00d 🇩🇪 590 83 10ms 4 Dec 2021 73rd weliveinhell 🇭🇹 590 83 13ms 3 Oct 2023 73rd MarcMush 🇫🇷 590 83 15ms 12 Feb 2024 1–75 of 123 Next Last