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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 878th RedzGoose 🇦🇺 679 74 11ms 14 Oct 2024 878th yokasuretsu 679 74 11ms 13 Jan 2025 883rd I-Love-47 🇺🇦 679 106 59ms 10 Feb 2022 884th dokutan 678 59 3ms 18 Jul 2025 885th AdrienHache 🇫🇷 674 91 429ms 31 Dec 2023 886th janbehrens 🇩🇪 673 68 1,239ms 9 Apr 2021 887th msbranicky 672 80 4ms 11 Oct 2023 888th 5quiwyrm 670 54 288ms 5 Dec 2024 889th Trunksistor 🇫🇷 670 75 11ms 25 May 2022 889th celiendonze 🇨🇭 670 75 12ms 16 Jun 2023 889th qwjhvbxi 670 75 11ms 9 Feb 2024 889th wenbang24 670 75 14ms 6 Apr 2024 893rd tatzyr 🇯🇵 669 63 36ms 29 Dec 2024 894th SirBogman 🇺🇸 667 108 58ms 3 Jan 2022 895th DialFrost 🇸🇬 666 56 81ms 22 Jul 2024 896th CaedenHarper 🇨🇦 666 70 11ms 31 Jan 2025 897th Natanaelel 🇸🇪 663 56 3ms 20 Jan 2024 898th DialFrost 🇸🇬 663 75 110ms 3 Jun 2025 899th dokutan 662 69 1,041ms 30 Aug 2025 900th 77Tigers 662 114 142ms 9 Apr 2024 901st Waffle3z 661 76 14ms 20 Jan 2021 901st hellwue 661 76 11ms 16 Nov 2023 901st dokutan 661 76 18ms 24 Mar 2025 904th HumanoidCPU 658 73 417ms 3 Jun 2024 905th uttumuttu 🇫🇮 656 71 9ms 8 Jan 2022 905th olleicua 🇺🇸 656 71 12ms 20 Feb 2024 907th emgordon154 655 70 140ms 6 Sep 2024 908th msbranicky 654 134 295ms 3 Oct 2023 909th dokutan 653 94 391ms 18 Jul 2025 910th albanian-laundromat 653 98 39ms 28 Nov 2025 911th olivermrose 🇺🇸 652 57 3ms 24 Aug 2021 912th f-tucker 652 77 11ms 2 Feb 2024 912th undefinedRyan 652 77 14ms 19 Apr 2025 912th Emutis 🇱🇹 652 77 12ms 12 Sep 2025 915th boxjelly 649 65 41ms 11 Feb 2021 915th msbranicky 649 65 42ms 12 Sep 2023 917th Shanethegamer 🇺🇸 649 97 9ms 22 Dec 2023 918th janbehrens 🇩🇪 649 135 288ms 13 Jun 2021 919th jwhear 🇺🇸 649 171 1,847ms 1 Oct 2024 920th MeWhenI 🇻🇦 646 71 135ms 3 Aug 2024 921st AkashTandon167 644 78 11ms 25 May 2021 921st jhpaques 🇫🇷 644 78 20ms 30 Nov 2022 923rd johnnythedoggie 644 106 104ms 3 Mar 2021 923rd snoozingnewt 🇨🇦 644 106 90ms 21 Nov 2025 925th rboath 643 58 88ms 8 Jan 2025 926th SirBogman 🇺🇸 643 84 2ms 14 Dec 2021 927th emgordon154 643 98 9ms 10 Dec 2024 928th MateuszPietrzak 🇵🇱 643 112 56ms 16 Jan 2024 929th annaproxy 642 93 99ms 24 Dec 2022 930th NickTheEASDude 🇺🇸 642 95 1ms 1 Jul 2024 931st CaedenHarper 🇨🇦 641 107 492ms 6 Oct 2025 932nd nephila-nacrea 🇬🇧 640 58 3ms 3 Feb 2021 933rd KatieLG 🇬🇧 640 77 235ms 2 Oct 2022 934th alomiF 640 102 124ms 4 Nov 2024 935th Bubbler-4 639 97 72ms 13 Sep 2023 936th Maznek 638 73 11ms 30 Jun 2023 937th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 938th ashtraypettingzoo 🇺🇸 636 36 32ms 23 Feb 2023 939th emgordon154 636 44 50ms 2 days ago 940th twocatsinatrenchcoat 636 79 9ms 29 Mar 2022 940th SniperSmiley 🇺🇸 636 79 41ms 23 Jun 2022 940th Glinte 636 79 17ms 14 Dec 2023 940th Bmrl7 636 79 13ms 19 Mar 2024 944th Shanethegamer 🇺🇸 635 57 247ms 27 Jul 2023 945th sreyfe 635 119 150ms 9 Jun 2024 946th edsrzf 🇳🇿 635 138 291ms 21 Dec 2024 947th MeWhenI 🇻🇦 633 90 2,346ms 24 Oct 2024 948th SirFireball3521 632 58 114ms 2 Mar 2023 949th dokutan 632 76 446ms 24 Mar 2025 950th emgordon154 632 186 1,416ms 30 May 2025 951st NewDefectus 🇮🇱 630 59 6ms 25 Oct 2021 952nd janbehrens 🇩🇪 630 136 25ms 9 Jul 2021 953rd bastienvoirin 🇫🇷 628 80 15ms 4 Feb 2021 953rd argusdusty 🇺🇸 628 80 18ms 25 Mar 2021 953rd OppositeShark 628 80 10ms 9 Apr 2022 953rd WillowWispy 628 80 10ms 16 Mar 2025 957th AkashTandon167 628 86 2ms 25 May 2021 957th solisolu 628 86 2ms 1 Jan 2026 959th Shanethegamer 🇺🇸 625 64 3ms 26 Jul 2023 960th emgordon154 622 151 8ms 6 Oct 2024 First Prev 881–960 of 1,925 Next Last