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 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 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 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 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 Lily 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 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 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 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 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 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 Bytes Time Submitted 881st AdrienHache 🇫🇷 674 91 429ms 31 Dec 2023 882nd janbehrens 🇩🇪 673 68 1,239ms 9 Apr 2021 883rd msbranicky 672 80 4ms 11 Oct 2023 884th 5quiwyrm 670 54 302ms 5 Dec 2024 885th Trunksistor 🇫🇷 670 75 12ms 25 May 2022 885th celiendonze 🇨🇭 670 75 12ms 16 Jun 2023 885th qwjhvbxi 670 75 11ms 9 Feb 2024 885th wenbang24 670 75 14ms 6 Apr 2024 889th tatzyr 🇯🇵 669 63 37ms 29 Dec 2024 890th SirBogman 🇺🇸 667 108 58ms 3 Jan 2022 891st DialFrost 🇸🇬 666 56 81ms 22 Jul 2024 892nd CaedenHarper 🇨🇦 666 70 12ms 31 Jan 2025 893rd Natanaelel 🇸🇪 663 56 3ms 20 Jan 2024 894th DialFrost 🇸🇬 663 75 110ms 3 Jun 2025 895th 77Tigers 662 114 135ms 9 Apr 2024 896th Waffle3z 661 76 14ms 20 Jan 2021 896th hellwue 661 76 12ms 16 Nov 2023 896th dokutan 661 76 20ms 24 Mar 2025 899th dokutan 660 69 1,041ms 30 Aug 2025 900th HumanoidCPU 658 73 417ms 3 Jun 2024 901st uttumuttu 🇫🇮 656 71 10ms 8 Jan 2022 901st olleicua 🇺🇸 656 71 11ms 20 Feb 2024 903rd emgordon154 655 70 140ms 6 Sep 2024 904th msbranicky 654 134 299ms 3 Oct 2023 905th dokutan 653 94 391ms 18 Jul 2025 906th albanian-laundromat 653 98 39ms 28 Nov 2025 907th olivermrose 🇺🇸 652 57 3ms 24 Aug 2021 908th f-tucker 652 77 11ms 2 Feb 2024 908th undefinedRyan 652 77 15ms 19 Apr 2025 908th Emutis 🇱🇹 652 77 14ms 12 Sep 2025 911th boxjelly 649 65 41ms 11 Feb 2021 911th msbranicky 649 65 43ms 12 Sep 2023 913th Shanethegamer 🇺🇸 649 97 7ms 22 Dec 2023 914th janbehrens 🇩🇪 649 135 305ms 13 Jun 2021 915th jwhear 🇺🇸 649 171 1,847ms 1 Oct 2024 916th MeWhenI 🇻🇦 646 71 135ms 3 Aug 2024 917th AkashTandon167 644 78 11ms 25 May 2021 917th jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 919th johnnythedoggie 644 106 104ms 3 Mar 2021 919th snoozingnewt 🇨🇦 644 106 90ms 21 Nov 2025 921st rboath 643 58 88ms 8 Jan 2025 922nd SirBogman 🇺🇸 643 84 2ms 14 Dec 2021 923rd emgordon154 643 98 10ms 10 Dec 2024 924th MateuszPietrzak 🇵🇱 643 112 56ms 16 Jan 2024 925th annaproxy 642 93 95ms 24 Dec 2022 926th NickTheEASDude 🇺🇸 642 95 1ms 1 Jul 2024 927th CaedenHarper 🇨🇦 641 107 529ms 6 Oct 2025 928th nephila-nacrea 🇬🇧 640 58 3ms 3 Feb 2021 929th KatieLG 🇬🇧 640 77 262ms 2 Oct 2022 930th alomiF 640 102 124ms 4 Nov 2024 931st Bubbler-4 639 97 72ms 13 Sep 2023 932nd Maznek 638 73 11ms 30 Jun 2023 933rd MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 934th ashtraypettingzoo 🇺🇸 636 36 32ms 23 Feb 2023 935th twocatsinatrenchcoat 636 79 10ms 29 Mar 2022 935th SniperSmiley 🇺🇸 636 79 41ms 23 Jun 2022 935th Glinte 636 79 19ms 14 Dec 2023 935th Bmrl7 636 79 14ms 19 Mar 2024 939th Shanethegamer 🇺🇸 635 57 247ms 27 Jul 2023 940th sreyfe 635 119 166ms 9 Jun 2024 941st edsrzf 🇳🇿 635 138 299ms 21 Dec 2024 942nd MeWhenI 🇻🇦 633 90 2,346ms 24 Oct 2024 943rd SirFireball3521 632 58 114ms 2 Mar 2023 944th dokutan 632 76 446ms 24 Mar 2025 945th emgordon154 632 186 1,474ms 30 May 2025 946th NewDefectus 🇮🇱 630 59 6ms 25 Oct 2021 947th janbehrens 🇩🇪 630 136 25ms 9 Jul 2021 948th bastienvoirin 🇫🇷 628 80 15ms 4 Feb 2021 948th argusdusty 🇺🇸 628 80 20ms 25 Mar 2021 948th OppositeShark 628 80 10ms 9 Apr 2022 948th WillowWispy 628 80 11ms 16 Mar 2025 952nd AkashTandon167 628 86 2ms 25 May 2021 952nd solisolu 628 86 2ms 1 Jan 2026 954th Shanethegamer 🇺🇸 625 64 2ms 26 Jul 2023 955th emgordon154 622 151 8ms 6 Oct 2024 956th Herbert00709 🇵🇱 621 87 2ms 19 Nov 2024 957th janbehrens 🇩🇪 620 68 42ms 18 Jan 2021 958th vodker1 620 81 11ms 9 Mar 2022 958th tooningelaere 620 81 10ms 5 Dec 2022 960th Yewzir 🇧🇪 619 64 5ms 16 Nov 2023 First Prev 881–960 of 1,918 Next Last