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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 899th gchenfc 675 73 18ms 24 Jan 2022 899th hiichbindermax 675 73 11ms 26 Feb 2022 899th Omega65536 🇩🇪 675 73 12ms 24 Nov 2022 899th sandorstormen 675 73 13ms 18 Feb 2023 899th Mr-McChicken 675 73 11ms 15 Oct 2023 899th Masttest 675 73 11ms 21 Feb 2024 899th cuvam 🇺🇸 675 73 22ms 7 days ago 908th dokutan 675 99 486ms 24 Sep 2025 908th prestosilver 🇺🇸 675 99 205ms 93 mins ago 910th janbehrens 🇩🇪 674 68 1,397ms 9 Apr 2021 911th msbranicky 674 80 5ms 11 Oct 2023 912th prestosilver 🇺🇸 673 79 2ms 86 mins ago 913th I-Love-47 🇺🇦 672 106 62ms 10 Feb 2022 914th 5quiwyrm 670 54 276ms 5 Dec 2024 915th DialFrost 🇸🇬 667 56 86ms 22 Jul 2024 916th albanian-laundromat 🇺🇸 667 96 43ms 17 days ago 917th CaedenHarper 🇨🇦 666 70 12ms 31 Jan 2025 918th jameslindesay 666 74 13ms 24 Feb 2021 918th PkmnQ 666 74 39ms 5 May 2024 918th RedzGoose 🇦🇺 666 74 12ms 14 Oct 2024 918th yokasuretsu 666 74 13ms 13 Jan 2025 922nd Natanaelel 🇸🇪 664 56 4ms 20 Jan 2024 923rd MeWhenI 🇻🇦 664 69 360ms 15 Feb 2023 923rd MarcMush 🇫🇷 664 69 308ms 12 Feb 2024 923rd Yewzir 🇧🇪 664 69 383ms 5 Apr 2024 926th DialFrost 🇸🇬 664 75 159ms 3 Jun 2025 927th edsrzf 🇳🇿 664 92 2ms 20 days ago 928th dokutan 663 69 774ms 30 Aug 2025 929th SirBogman 🇺🇸 659 108 56ms 3 Jan 2022 930th uttumuttu 🇫🇮 657 71 10ms 8 Jan 2022 930th olleicua 🇺🇸 657 71 11ms 20 Feb 2024 932nd Trunksistor 🇫🇷 657 75 11ms 25 May 2022 932nd celiendonze 🇨🇭 657 75 13ms 16 Jun 2023 932nd qwjhvbxi 657 75 11ms 9 Feb 2024 932nd wenbang24 657 75 13ms 6 Apr 2024 936th annaproxy 657 91 96ms 13 Jan 2023 937th 77Tigers 657 114 146ms 9 Apr 2024 938th AdrienHache 🇫🇷 655 91 411ms 31 Dec 2023 939th emgordon154 654 65 136ms 6 Sep 2024 940th olivermrose 🇺🇸 652 57 3ms 24 Aug 2021 941st boxjelly 650 65 41ms 11 Feb 2021 941st msbranicky 650 65 42ms 12 Sep 2023 943rd Waffle3z 649 76 12ms 20 Jan 2021 943rd hellwue 649 76 12ms 16 Nov 2023 943rd yuchuehw 649 76 18ms 18 Jan 2024 943rd dcc5480 649 76 10ms 15 days ago 947th johnnythedoggie 647 106 109ms 3 Mar 2021 947th snoozingnewt 🇨🇦 647 106 104ms 21 Nov 2025 949th rboath 644 58 84ms 8 Jan 2025 950th NickTheEASDude 🇺🇸 643 95 1ms 1 Jul 2024 951st Shanethegamer 🇺🇸 642 97 8ms 22 Dec 2023 952nd nephila-nacrea 🇬🇧 641 58 3ms 3 Feb 2021 953rd Bubbler-4 641 97 65ms 13 Sep 2023 954th msbranicky 641 134 363ms 3 Oct 2023 955th f-tucker 640 77 13ms 2 Feb 2024 955th undefinedRyan 640 77 12ms 19 Apr 2025 955th Emutis 🇱🇹 640 77 11ms 12 Sep 2025 958th alomiF 640 102 124ms 4 Nov 2024 959th Maznek 639 73 10ms 30 Jun 2023 960th MeWhenI 🇻🇦 638 82 10ms 21 Jul 2023 961st janbehrens 🇩🇪 637 135 368ms 13 Jun 2021 962nd MateuszPietrzak 🇵🇱 636 112 63ms 16 Jan 2024 963rd Shanethegamer 🇺🇸 635 57 278ms 27 Jul 2023 964th MeWhenI 🇻🇦 635 90 2,449ms 24 Oct 2024 965th emgordon154 635 98 10ms 10 Dec 2024 966th emgordon154 635 186 1,215ms 30 May 2025 967th DialFrost 🇸🇬 634 67 128ms 3 Aug 2024 968th dokutan 634 94 467ms 18 Jul 2025 969th SirBogman 🇺🇸 633 84 2ms 14 Dec 2021 970th janbehrens 🇩🇪 633 136 25ms 9 Jul 2021 971st AkashTandon167 632 78 13ms 25 May 2021 971st jhpaques 🇫🇷 632 78 25ms 30 Nov 2022 973rd NewDefectus 🇮🇱 630 59 6ms 25 Oct 2021 974th madex 🇩🇪 630 67 43ms 24 days ago 975th Protothor 630 74 9ms 20 Mar 2026 976th sreyfe 629 119 164ms 9 Jun 2024 977th Shanethegamer 🇺🇸 626 64 2ms 26 Jul 2023 978th solisolu 626 85 2ms 25 days ago 979th CaedenHarper 🇨🇦 625 107 419ms 6 Oct 2025 980th twocatsinatrenchcoat 624 79 9ms 29 Mar 2022 980th SniperSmiley 🇺🇸 624 79 39ms 23 Jun 2022 980th Glinte 624 79 18ms 14 Dec 2023 980th Bmrl7 624 79 15ms 19 Mar 2024 980th acotis 624 79 12ms 7 Mar 2026 985th edsrzf 🇳🇿 623 138 306ms 21 Dec 2024 986th emgordon154 623 151 9ms 6 Oct 2024 987th janbehrens 🇩🇪 621 68 42ms 18 Jan 2021 988th MeWhenI 🇻🇦 621 106 345ms 26 Aug 2023 989th ovs-code 🇩🇪 620 48 176ms 2 Jan 2024 990th Yewzir 🇧🇪 620 64 5ms 16 Nov 2023 991st dokutan 620 106 11ms 24 Mar 2025 992nd AkashTandon167 618 86 2ms 25 May 2021 993rd MeWhenI 🇻🇦 617 101 12ms 9 May 2024 994th bastienvoirin 🇫🇷 616 80 14ms 4 Feb 2021 994th argusdusty 🇺🇸 616 80 21ms 25 Mar 2021 994th OppositeShark 616 80 12ms 9 Apr 2022 994th WillowWispy 616 80 10ms 16 Mar 2025 998th Shanethegamer 🇺🇸 616 85 4ms 21 Dec 2024 999th orthoplex 🇨🇽 615 153 19ms 25 Jun 2023 1,000th Shanethegamer 🇺🇸 615 192 1,219ms 2 Apr 2025 First Prev 901–1,000 of 2,011 Next Last