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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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 201st canissimia 🇦🇶 910 53 3ms 7 Apr 2023 202nd Lydxn 🇨🇦 907 41 4ms 22 May 2022 202nd Steffan153 🇫🇮 907 41 4ms 15 Dec 2022 202nd GrayJoKing 🇦🇺 907 41 4ms 14 Aug 2023 202nd sean-niemann 🇺🇸 907 41 4ms 27 Jun 2025 206th DialFrost 🇸🇬 907 53 449ms 15 Jan 2024 206th lifthrasiir 🇰🇷 907 53 528ms 2 Dec 2024 206th emgordon154 907 53 415ms 23 Apr 2025 209th Lydxn 🇨🇦 905 55 149ms 1 May 2023 209th JayXon 🇺🇸 905 55 149ms 1 May 2023 211th JayXon 🇺🇸 905 95 322ms 17 Jan 2021 211th Lydxn 🇨🇦 905 95 322ms 23 Mar 2023 211th nwellnhof 🇩🇪 905 95 318ms 29 May 2023 211th Yewzir 🇧🇪 905 95 337ms 25 Oct 2023 211th Betuaredead 905 95 308ms 12 Nov 2023 216th JayXon 🇺🇸 904 47 130ms 17 Jun 2025 217th janbehrens 🇩🇪 904 66 396ms 21 Nov 2021 217th tomtheisen 🇺🇸 904 66 424ms 9 Dec 2022 217th Steffan153 🇫🇮 904 66 427ms 10 Feb 2023 217th stefangimmillaro 904 66 388ms 18 Sep 2023 217th sean-niemann 🇺🇸 904 66 416ms 21 Sep 2023 222nd canissimia 🇦🇶 904 114 3ms 25 Mar 2022 223rd DialFrost 🇸🇬 903 74 545ms 7 Nov 2025 224th GrayJoKing 🇦🇺 902 33 147ms 9 May 2024 225th JayXon 🇺🇸 902 83 130ms 8 Nov 2022 225th Lydxn 🇨🇦 902 83 121ms 28 Jul 2023 225th emgordon154 902 83 127ms 18 Apr 2025 225th ovs-code 🇩🇪 902 83 130ms 20 Apr 2025 225th stefangimmillaro 902 83 124ms 18 May 2025 225th sean-niemann 🇺🇸 902 83 122ms 6 Jun 2025 225th vang1ong7ang 🇦🇶 902 83 133ms 6 hours ago 232nd GrayJoKing 🇦🇺 901 73 3ms 10 Sep 2022 232nd Shanethegamer 🇺🇸 901 73 11ms 11 Sep 2022 232nd clockworknazo 901 73 11ms 19 Sep 2022 232nd JayXon 🇺🇸 901 73 3ms 28 Sep 2022 232nd Lydxn 🇨🇦 901 73 3ms 13 Oct 2023 232nd sean-niemann 🇺🇸 901 73 3ms 30 Oct 2025 232nd Steffan153 🇫🇮 901 73 11ms 26 days ago 232nd albanian-laundromat 🇺🇸 901 73 11ms 8 days ago 240th nwellnhof 🇩🇪 901 79 57ms 13 Jul 2022 241st Steffan153 🇫🇮 900 52 31ms 8 days ago 241st DayDun 🇸🇪 900 52 6ms 8 days ago 243rd HPWiz 🇳🇿 899 51 240ms 10 Feb 2021 243rd JayXon 🇺🇸 899 51 211ms 20 Jun 2021 243rd Lydxn 🇨🇦 899 51 209ms 28 Jul 2023 243rd pardouin 🇫🇷 899 51 1,452ms 13 Apr 2025 247th Shanethegamer 🇺🇸 899 68 1ms 24 Jan 2021 248th stefangimmillaro 898 47 48ms 23 Mar 2023 248th Natanaelel 🇸🇪 898 47 41ms 11 Apr 2023 248th m-tkach 🇺🇦 898 47 39ms 16 Jun 2023 251st Steffan153 🇫🇮 898 60 2ms 26 Jan 2024 251st sean-niemann 🇺🇸 898 60 3ms 31 Jan 2025 253rd sean-niemann 🇺🇸 897 51 791ms 30 Aug 2025 253rd Steffan153 🇫🇮 897 51 798ms 14 Feb 2026 255th GrayJoKing 🇦🇺 897 52 10ms 20 Jan 2021 255th janbehrens 🇩🇪 897 52 10ms 1 Aug 2021 255th inventshah 897 52 10ms 18 Jun 2022 255th dmrichwa 🇺🇸 897 52 10ms 28 Jul 2023 259th rak1507 🇬🇧 896 55 12ms 20 Jan 2021 259th GolfingSuccess 🇬🇷 896 55 15ms 25 Jan 2021 259th jacklynnepenick 896 55 14ms 19 Aug 2021 259th nwellnhof 🇩🇪 896 55 13ms 13 Jul 2022 259th jakobkordez 🇸🇮 896 55 17ms 8 Nov 2022 259th 2011-Chan-Ethan 896 55 12ms 20 Jul 2023 259th SB-945 896 55 11ms 20 Feb 2024 259th davecame 896 55 14ms 21 Aug 2024 259th albanian-laundromat 🇺🇸 896 55 11ms 29 Mar 2025 259th 4atj 896 55 29ms 8 Apr 2025 259th plcc0 896 55 12ms 13 Jan 2026 270th Steffan153 🇫🇮 895 96 320ms 10 Feb 2023 270th sean-niemann 🇺🇸 895 96 347ms 21 Sep 2023 272nd emplv 🇱🇻 894 72 108ms 28 Jul 2023 272nd Lydxn 🇨🇦 894 72 113ms 28 Jul 2023 274th CLOStrophobic 🇮🇹 894 82 60ms 24 Feb 2025 274th zacjl 894 82 9ms 24 Feb 2025 276th inventshah 893 64 2,314ms 27 Oct 2024 276th stefangimmillaro 893 64 2,432ms 13 Nov 2024 276th JayXon 🇺🇸 893 64 2,384ms 13 Nov 2024 276th pardouin 🇫🇷 893 64 2,646ms 16 Feb 2026 280th GrayJoKing 🇦🇺 893 67 64ms 23 Mar 2023 280th IanUtley 893 67 66ms 9 May 2024 282nd sean-niemann 🇺🇸 892 77 469ms 26 Sep 2023 282nd Lydxn 🇨🇦 892 77 469ms 26 Sep 2023 282nd JayXon 🇺🇸 892 77 457ms 26 Sep 2023 282nd Steffan153 🇫🇮 892 77 464ms 26 days ago 286th Lydxn 🇨🇦 891 75 135ms 12 Jul 2021 287th JayXon 🇺🇸 891 77 102ms 19 Feb 2021 288th Lydxn 🇨🇦 890 45 2ms 30 Oct 2022 288th sean-niemann 🇺🇸 890 45 2ms 31 Oct 2022 288th primo-ppcg 🇹🇭 890 45 2ms 7 Nov 2022 288th Steffan153 🇫🇮 890 45 2ms 11 Apr 2023 288th DialFrost 🇸🇬 890 45 2ms 21 Dec 2024 293rd Yewzir 🇧🇪 890 54 380ms 15 Jan 2024 293rd Shanethegamer 🇺🇸 890 54 471ms 16 Jan 2024 293rd GrayJoKing 🇦🇺 890 54 409ms 23 Jul 2024 293rd duckyluuk 🇳🇱 890 54 505ms 28 Aug 2024 293rd KatieLG 🇬🇧 890 54 400ms 28 Oct 2024 293rd GolfingSuccess 🇬🇷 890 54 414ms 25 Jan 2025 293rd Babafaba 890 54 432ms 19 Nov 2025 293rd snoozingnewt 🇨🇦 890 54 417ms 1 Dec 2025 First Prev 201–300 of 2,009 Next Last