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Kolakoski Sequence in all languages in chars. 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 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 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 Numbrix 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 ArkScript 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 ArkScript 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 Calendar 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 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 Numbrix 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 Chars Time Submitted 721st Mabeloid 🇳🇴 750 64 409ms 17 Sep 2024 722nd cipharius 750 87 198ms 19 Jan 2021 723rd Lydxn 🇨🇦 750 223 13ms 24 Jun 2021 724th Yewzir 🇧🇪 748 71 3ms 14 Oct 2023 725th ArmaanAS 747 66 11ms 4 Apr 2021 725th quimey 747 66 11ms 23 Jun 2023 727th m-ender 🇩🇪 745 89 153ms 23 Apr 2021 728th sean-niemann 🇺🇸 744 57 142ms 17 Jun 2025 729th primo-ppcg 🇹🇭 743 40 140ms 22 Apr 2022 730th ScottHamper 742 90 502ms 30 Nov 2025 731st kg583 🇺🇸 741 85 40ms 13 Feb 2025 732nd jared-hughes 740 57 40ms 9 Sep 2022 733rd olivermrose 🇺🇸 740 63 9ms 21 Sep 2021 733rd GeorgeStechman 🇬🇧 740 63 9ms 17 Nov 2022 735th SirBogman 🇺🇸 740 139 2ms 21 Dec 2021 736th emgordon154 739 32 43ms 19 Oct 2025 737th AlephSquirrel 739 99 10ms 18 Jan 2025 737th edsrzf 🇳🇿 739 99 36ms 14 Dec 2025 739th DialFrost 🇸🇬 738 49 274ms 25 Jun 2024 740th janbehrens 🇩🇪 737 93 464ms 24 Mar 2022 741st Yewzir 🇧🇪 735 62 1,187ms 16 Nov 2025 742nd msbranicky 735 67 15ms 21 Aug 2023 743rd MeWhenI 🇻🇦 735 151 1,682ms 7 Nov 2025 744th MeWhenI 🇻🇦 734 93 4ms 22 May 2023 745th guliyevemil1 🇦🇿 733 89 124ms 11 Feb 2021 745th annaproxy 733 89 148ms 17 Aug 2022 745th Shanethegamer 🇺🇸 733 89 116ms 20 Jan 2024 745th snoozingnewt 🇨🇦 733 89 118ms 9 Dec 2025 749th Omega65536 🇩🇪 733 103 144ms 24 Nov 2022 750th Steffan153 🇫🇮 731 51 80ms 18 Dec 2022 751st primo-ppcg 🇹🇭 731 117 25ms 14 Jul 2021 752nd Shanethegamer 🇺🇸 730 88 112ms 15 Oct 2022 753rd dvik72 728 64 10ms 1 Jun 2022 753rd AlephSquirrel 728 64 10ms 16 Feb 2023 755th janbehrens 🇩🇪 728 73 2ms 11 Jun 2021 756th annaproxy 727 58 40ms 24 Oct 2023 757th KatieLG 🇬🇧 727 63 1,399ms 25 Apr 2021 758th arctouch-cristiannevianna 727 82 407ms 22 Nov 2023 759th Stockoh 🇫🇷 725 68 34ms 25 Dec 2021 759th Bonjour27891 🇻🇳 725 68 34ms 1 Sep 2022 759th trist224 🇫🇷 725 68 37ms 18 Oct 2022 759th mousetail 🇳🇱 725 68 35ms 11 Aug 2023 759th Command-Master 725 68 39ms 24 Sep 2023 759th firegene 🇮🇪 725 68 36ms 12 Oct 2024 759th JunkIce 725 68 17ms 24 Nov 2024 766th ovs-code 🇩🇪 725 72 12ms 16 Jul 2023 767th yzhs 🇩🇪 725 90 117ms 24 Jul 2021 768th jacobly0 🇺🇸 725 153 1,809ms 22 Apr 2024 769th dokutan 724 118 25ms 18 Jul 2025 770th Yewzir 🇧🇪 719 91 2ms 28 Mar 2024 771st Shanethegamer 🇺🇸 718 74 2ms 18 May 2022 772nd edsrzf 🇳🇿 718 95 6ms 24 Nov 2024 773rd Alex-x90 🇺🇸 718 99 399ms 23 Jun 2022 774th GolfingSuccess 🇬🇷 717 33 63ms 22 Jul 2022 775th igmcdowell 717 65 10ms 23 Nov 2021 776th MeWhenI 🇻🇦 717 75 8ms 9 Oct 2023 777th prplz 🇦🇺 717 91 118ms 25 Jan 2021 778th msbranicky 716 67 469ms 17 Jan 2024 779th marshallward 🇺🇸 716 100 41ms 7 May 2025 780th tatzyr 🇯🇵 715 59 39ms 29 Dec 2024 781st NewDefectus 🇮🇱 714 21 2ms 14 Jan 2022 782nd prplz 🇦🇺 714 52 3ms 5 Feb 2021 783rd abailey2020 🇺🇸 714 69 10ms 19 Feb 2021 783rd Anonymousellama21 714 69 11ms 15 May 2022 783rd TaserTheFox 🇺🇸 714 69 36ms 16 Feb 2023 783rd Jacob385 714 69 44ms 22 Apr 2024 787th CaedenHarper 🇨🇦 712 64 1,811ms 6 Oct 2025 788th emgordon154 712 80 3,197ms 9 Aug 2025 789th elgan65536 712 106 164ms 26 Oct 2023 790th MeWhenI 🇻🇦 711 90 1,429ms 14 Jun 2023 791st marcin7Cd 710 103 21ms 12 Feb 2021 792nd Feniske 🇫🇷 709 51 270ms 21 Nov 2023 793rd CaedenHarper 🇨🇦 709 84 450ms 17 Oct 2025 794th aadenboy 🇺🇸 709 86 2ms 16 Dec 2025 795th chordowl 709 92 116ms 17 Mar 2021 796th rucin93 🇵🇱 707 60 131ms 9 Aug 2024 797th omurakazuaki 🇯🇵 706 66 11ms 18 Feb 2021 797th BambooleanLogic 🇸🇪 706 66 9ms 22 Aug 2022 797th coreynash 706 66 9ms 21 Oct 2023 797th two-bad 🇬🇧 706 66 10ms 24 Nov 2023 First Prev 721–800 of 1,888 Next Last