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 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 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 826th jared-hughes 696 159 1,500ms 16 Sep 2025 827th DialFrost 🇸🇬 695 56 76ms 22 Jul 2024 828th targrik 695 57 5ms 26 Aug 2025 829th boxjelly 694 94 139ms 21 Jan 2021 829th YAJUE114514 694 94 142ms 24 Jul 2025 831st dokutan 693 99 344ms 24 Sep 2025 832nd Espiobest 691 61 50ms 13 Feb 2021 832nd DaCuteRaccoon 691 61 52ms 9 Dec 2022 834th edsrzf 🇳🇿 691 91 21ms 21 Dec 2024 835th JGDoerrer 691 103 365ms 5 Jan 2022 835th tailorspy 691 103 54ms 29 Oct 2023 837th MeWhenI 🇻🇦 691 106 350ms 26 Aug 2023 838th msbranicky 689 95 7ms 11 Aug 2023 839th Shanethegamer 🇺🇸 689 106 19ms 4 Oct 2024 840th GolfingSuccess 🇬🇷 688 69 35ms 17 Aug 2024 841st richard-oelze 🇩🇪 688 73 31ms 4 Apr 2021 841st mauro-1 🇮🇹 688 73 9ms 18 Aug 2021 841st gchenfc 688 73 9ms 24 Jan 2022 841st hiichbindermax 688 73 10ms 26 Feb 2022 841st Omega65536 🇩🇪 688 73 11ms 24 Nov 2022 841st sandorstormen 688 73 11ms 18 Feb 2023 841st Mr-McChicken 688 73 11ms 15 Oct 2023 841st Masttest 688 73 10ms 21 Feb 2024 849th Andriamanitra 🇫🇮 687 95 186ms 20 Jul 2023 850th MeWhenI 🇻🇦 685 72 340ms 15 Feb 2023 850th Yewzir 🇧🇪 685 72 342ms 5 Apr 2024 852nd DialFrost 🇸🇬 684 67 129ms 3 Aug 2024 853rd msbranicky 684 89 2ms 26 Sep 2023 854th madex 🇩🇪 683 79 2ms 11 Jul 2024 855th AdrienHache 🇫🇷 682 41 49ms 23 Oct 2023 856th Yewzir 🇧🇪 681 90 325ms 14 Oct 2023 857th jameslindesay 679 74 11ms 24 Feb 2021 857th PkmnQ 679 74 37ms 5 May 2024 857th HumanoidCPU 679 74 11ms 3 Jun 2024 857th RedzGoose 🇦🇺 679 74 10ms 14 Oct 2024 857th yokasuretsu 679 74 11ms 13 Jan 2025 862nd Shanethegamer 🇺🇸 678 126 27ms 8 Jul 2021 863rd dokutan 677 59 3ms 18 Jul 2025 864th janbehrens 🇩🇪 673 68 1,067ms 9 Apr 2021 865th AdrienHache 🇫🇷 673 91 402ms 31 Dec 2023 866th msbranicky 672 80 4ms 11 Oct 2023 867th rboath 671 58 76ms 8 Jan 2025 868th I-Love-47 🇺🇦 671 106 53ms 10 Feb 2022 869th 5quiwyrm 670 54 234ms 5 Dec 2024 870th Trunksistor 🇫🇷 670 75 11ms 25 May 2022 870th celiendonze 🇨🇭 670 75 11ms 16 Jun 2023 870th qwjhvbxi 670 75 11ms 9 Feb 2024 870th wenbang24 670 75 13ms 6 Apr 2024 874th tatzyr 🇯🇵 669 63 39ms 29 Dec 2024 875th CaedenHarper 🇨🇦 666 70 9ms 31 Jan 2025 876th snoozingnewt 🇺🇸 666 98 112ms 30 Oct 2025 877th Natanaelel 🇸🇪 663 56 4ms 20 Jan 2024 878th DialFrost 🇸🇬 663 75 112ms 3 Jun 2025 879th 77Tigers 662 114 142ms 9 Apr 2024 880th Waffle3z 661 76 12ms 20 Jan 2021 880th hellwue 661 76 11ms 16 Nov 2023 880th dokutan 661 76 17ms 24 Mar 2025 883rd SirBogman 🇺🇸 659 108 51ms 3 Jan 2022 884th dokutan 658 69 717ms 30 Aug 2025 885th HumanoidCPU 658 73 457ms 3 Jun 2024 886th uttumuttu 🇫🇮 656 71 8ms 8 Jan 2022 886th olleicua 🇺🇸 656 71 9ms 20 Feb 2024 888th emgordon154 655 70 133ms 6 Sep 2024 889th msbranicky 654 134 261ms 3 Oct 2023 890th albanian-laundromat 653 98 39ms 3 days ago 891st olivermrose 🇺🇸 652 57 4ms 24 Aug 2021 892nd f-tucker 652 77 10ms 2 Feb 2024 892nd undefinedRyan 652 77 11ms 19 Apr 2025 892nd Emutis 🇱🇹 652 77 11ms 12 Sep 2025 895th dokutan 652 94 346ms 18 Jul 2025 896th janbehrens 🇩🇪 649 135 264ms 13 Jun 2021 897th boxjelly 648 65 37ms 11 Feb 2021 897th msbranicky 648 65 43ms 12 Sep 2023 899th Bubbler-4 648 97 77ms 13 Sep 2023 899th Shanethegamer 🇺🇸 648 97 8ms 22 Dec 2023 First Prev 826–900 of 1,876 Next Last