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 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 Tower of Hanoi 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 901st johnnythedoggie 644 106 105ms 3 Mar 2021 901st snoozingnewt 🇺🇸 644 106 97ms 4 days ago 903rd SirBogman 🇺🇸 643 84 2ms 14 Dec 2021 904th annaproxy 642 93 99ms 24 Dec 2022 905th NickTheEASDude 🇺🇸 641 95 2ms 1 Jul 2024 906th emgordon154 641 98 11ms 10 Dec 2024 907th CaedenHarper 🇨🇦 641 107 357ms 6 Oct 2025 908th nephila-nacrea 🇬🇧 640 58 4ms 3 Feb 2021 909th KatieLG 🇬🇧 640 77 235ms 2 Oct 2022 910th alomiF 640 102 139ms 4 Nov 2024 911th Maznek 638 73 10ms 30 Jun 2023 912th MeWhenI 🇻🇦 637 82 10ms 21 Jul 2023 913th ashtraypettingzoo 🇺🇸 636 36 35ms 23 Feb 2023 914th twocatsinatrenchcoat 636 79 9ms 29 Mar 2022 914th SniperSmiley 🇺🇸 636 79 36ms 23 Jun 2022 914th Glinte 636 79 16ms 14 Dec 2023 914th Bmrl7 636 79 13ms 19 Mar 2024 918th Shanethegamer 🇺🇸 635 57 213ms 27 Jul 2023 919th sreyfe 635 119 166ms 9 Jun 2024 920th edsrzf 🇳🇿 635 138 256ms 21 Dec 2024 921st MateuszPietrzak 🇵🇱 634 112 59ms 16 Jan 2024 922nd SirFireball3521 632 58 113ms 2 Mar 2023 923rd dokutan 632 76 544ms 24 Mar 2025 924th MeWhenI 🇻🇦 632 90 2,869ms 24 Oct 2024 925th emgordon154 632 186 913ms 30 May 2025 926th NewDefectus 🇮🇱 630 59 10ms 25 Oct 2021 927th janbehrens 🇩🇪 629 136 27ms 9 Jul 2021 928th bastienvoirin 🇫🇷 628 80 14ms 4 Feb 2021 928th argusdusty 🇺🇸 628 80 17ms 25 Mar 2021 928th OppositeShark 628 80 11ms 9 Apr 2022 928th WillowWispy 628 80 10ms 16 Mar 2025 932nd AkashTandon167 628 86 2ms 25 May 2021 933rd Shanethegamer 🇺🇸 624 64 2ms 26 Jul 2023 934th emgordon154 622 151 8ms 6 Oct 2024 935th janbehrens 🇩🇪 620 68 42ms 18 Jan 2021 936th vodker1 620 81 10ms 9 Mar 2022 936th tooningelaere 620 81 9ms 5 Dec 2022 938th Herbert00709 🇵🇱 620 87 2ms 19 Nov 2024 939th Yewzir 🇧🇪 619 64 4ms 16 Nov 2023 940th dokutan 618 106 12ms 24 Mar 2025 941st Shanethegamer 🇺🇸 614 85 4ms 21 Dec 2024 942nd codename68 614 123 144ms 13 Aug 2022 943rd Natanaelel 🇸🇪 613 88 2ms 9 May 2024 944th orthoplex 🇨🇽 613 153 17ms 25 Jun 2023 945th fynnkroeger 612 82 10ms 24 Mar 2021 945th BrenSchaap 612 82 11ms 21 Oct 2021 945th MichaelMBradley 🇨🇦 612 82 9ms 18 Feb 2022 948th primo-ppcg 🇹🇭 612 112 295ms 2 Aug 2021 948th Lydxn 🇨🇦 612 112 297ms 28 Feb 2022 950th Shanethegamer 🇺🇸 612 192 845ms 2 Apr 2025 951st omurakazuaki 🇯🇵 611 69 41ms 19 Feb 2021 952nd Shanethegamer 🇺🇸 610 65 6ms 2 Aug 2022 953rd albanian-laundromat 610 105 39ms 3 Sep 2025 954th JRaspass 🇬🇧 609 61 3ms 5 Sep 2021 955th janbehrens 🇩🇪 607 113 304ms 1 Aug 2021 955th Irratix 🇳🇱 607 113 316ms 8 Dec 2021 955th Steffan153 🇫🇮 607 113 304ms 10 Feb 2023 958th AbhayAravinda 605 77 9ms 1 May 2021 959th Brianzhengca 605 83 10ms 1 Feb 2021 959th hymanimy 605 83 11ms 24 Aug 2021 959th nullie 605 83 10ms 9 Jun 2022 959th a-penton 605 83 11ms 22 Sep 2022 963rd KevinMarquette 🇺🇸 603 60 226ms 21 Oct 2021 964th snoozingnewt 🇺🇸 602 70 45ms 10 Oct 2025 965th ovs-code 🇩🇪 602 80 848ms 5 May 2023 966th prplz 🇦🇺 601 114 304ms 1 Jun 2021 967th MeWhenI 🇻🇦 600 66 5ms 29 May 2023 968th jupj 🇫🇮 600 90 3ms 30 Aug 2022 969th guliyevemil1 🇦🇿 600 146 271ms 11 Feb 2021 970th Shanethegamer 🇺🇸 599 62 4ms 8 Dec 2021 971st Mabeloid 🇳🇴 599 126 150ms 26 Oct 2025 972nd gXLg 🇩🇪 598 84 18ms 22 Oct 2022 972nd dylanjones92 598 84 12ms 19 Jan 2024 974th GrayJoKing 🇦🇺 598 172 3ms 18 Jan 2021 975th BBoehm 🇩🇪 597 78 9ms 26 Jan 2021 First Prev 901–975 of 1,873 Next Last