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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 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 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 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 Bytes Time Submitted 901st AdrienHache 🇫🇷 684 41 58ms 23 Oct 2023 902nd Shanethegamer 🇺🇸 684 126 24ms 8 Jul 2021 903rd Yewzir 🇧🇪 683 90 398ms 14 Oct 2023 904th I-Love-47 🇺🇦 681 106 62ms 10 Feb 2022 905th dokutan 680 59 3ms 18 Jul 2025 906th GolfingSuccess 🇬🇷 680 69 33ms 17 Aug 2024 907th jameslindesay 679 74 13ms 24 Feb 2021 907th PkmnQ 679 74 39ms 5 May 2024 907th HumanoidCPU 679 74 11ms 3 Jun 2024 907th RedzGoose 🇦🇺 679 74 12ms 14 Oct 2024 907th yokasuretsu 679 74 13ms 13 Jan 2025 912th janbehrens 🇩🇪 675 68 1,441ms 9 Apr 2021 913th msbranicky 675 80 4ms 11 Oct 2023 914th AdrienHache 🇫🇷 675 91 411ms 31 Dec 2023 915th 5quiwyrm 671 54 276ms 5 Dec 2024 916th tatzyr 🇯🇵 670 63 39ms 29 Dec 2024 917th Trunksistor 🇫🇷 670 75 11ms 25 May 2022 917th celiendonze 🇨🇭 670 75 13ms 16 Jun 2023 917th qwjhvbxi 670 75 11ms 9 Feb 2024 917th wenbang24 670 75 13ms 6 Apr 2024 921st albanian-laundromat 🇺🇸 669 96 43ms 14 days ago 922nd DialFrost 🇸🇬 668 56 86ms 22 Jul 2024 923rd SirBogman 🇺🇸 668 108 56ms 3 Jan 2022 924th CaedenHarper 🇨🇦 666 70 12ms 31 Jan 2025 925th dokutan 665 69 1,232ms 30 Aug 2025 926th DialFrost 🇸🇬 665 75 159ms 3 Jun 2025 927th edsrzf 🇳🇿 665 92 2ms 16 days ago 928th 77Tigers 665 114 146ms 9 Apr 2024 929th Natanaelel 🇸🇪 664 56 4ms 20 Jan 2024 930th Waffle3z 661 76 12ms 20 Jan 2021 930th hellwue 661 76 12ms 16 Nov 2023 930th dokutan 661 76 18ms 24 Mar 2025 930th dcc5480 661 76 10ms 11 days ago 934th HumanoidCPU 659 73 485ms 3 Jun 2024 935th emgordon154 658 70 137ms 6 Sep 2024 936th uttumuttu 🇫🇮 657 71 10ms 8 Jan 2022 936th olleicua 🇺🇸 657 71 11ms 20 Feb 2024 938th msbranicky 655 134 363ms 3 Oct 2023 939th dokutan 654 94 467ms 18 Jul 2025 940th olivermrose 🇺🇸 653 57 3ms 24 Aug 2021 941st f-tucker 653 77 13ms 2 Feb 2024 941st undefinedRyan 653 77 12ms 19 Apr 2025 941st Emutis 🇱🇹 653 77 11ms 12 Sep 2025 944th boxjelly 650 65 41ms 11 Feb 2021 944th msbranicky 650 65 42ms 12 Sep 2023 946th janbehrens 🇩🇪 650 135 368ms 13 Jun 2021 947th MeWhenI 🇻🇦 648 71 137ms 3 Aug 2024 948th johnnythedoggie 648 106 109ms 3 Mar 2021 948th snoozingnewt 🇨🇦 648 106 104ms 21 Nov 2025 950th rboath 645 58 86ms 8 Jan 2025 951st AkashTandon167 644 78 13ms 25 May 2021 951st jhpaques 🇫🇷 644 78 25ms 30 Nov 2022 953rd SirBogman 🇺🇸 644 84 2ms 14 Dec 2021 954th annaproxy 644 93 96ms 24 Dec 2022 955th NickTheEASDude 🇺🇸 644 95 1ms 1 Jul 2024 956th MateuszPietrzak 🇵🇱 644 112 63ms 16 Jan 2024 957th Shanethegamer 🇺🇸 643 97 8ms 22 Dec 2023 958th KatieLG 🇬🇧 642 77 247ms 2 Oct 2022 959th Bubbler-4 642 97 65ms 13 Sep 2023 960th CaedenHarper 🇨🇦 642 107 419ms 6 Oct 2025 961st nephila-nacrea 🇬🇧 641 58 3ms 3 Feb 2021 962nd alomiF 641 102 124ms 4 Nov 2024 963rd MeWhenI 🇻🇦 640 82 10ms 21 Jul 2023 964th Maznek 639 73 10ms 30 Jun 2023 965th emgordon154 637 44 53ms 19 Feb 2026 966th emgordon154 637 98 10ms 10 Dec 2024 967th sreyfe 637 119 164ms 9 Jun 2024 968th emgordon154 637 186 1,215ms 30 May 2025 969th ashtraypettingzoo 🇺🇸 636 36 32ms 23 Feb 2023 970th Shanethegamer 🇺🇸 636 57 278ms 27 Jul 2023 971st twocatsinatrenchcoat 636 79 9ms 29 Mar 2022 971st SniperSmiley 🇺🇸 636 79 39ms 23 Jun 2022 971st Glinte 636 79 18ms 14 Dec 2023 971st Bmrl7 636 79 15ms 19 Mar 2024 971st acotis 636 79 12ms 7 Mar 2026 971st madeforlosers 636 79 13ms 19 days ago 977th solisolu 636 85 2ms 22 days ago 978th MeWhenI 🇻🇦 636 90 2,449ms 24 Oct 2024 979th edsrzf 🇳🇿 636 138 306ms 21 Dec 2024 980th janbehrens 🇩🇪 634 136 25ms 9 Jul 2021 981st dokutan 633 76 505ms 24 Mar 2025 982nd NewDefectus 🇮🇱 630 59 6ms 25 Oct 2021 983rd madex 🇩🇪 630 67 43ms 21 days ago 984th Protothor 630 74 9ms 20 Mar 2026 985th AkashTandon167 629 86 2ms 25 May 2021 986th bastienvoirin 🇫🇷 628 80 14ms 4 Feb 2021 986th argusdusty 🇺🇸 628 80 21ms 25 Mar 2021 986th OppositeShark 628 80 12ms 9 Apr 2022 986th WillowWispy 628 80 10ms 16 Mar 2025 990th Shanethegamer 🇺🇸 627 64 2ms 26 Jul 2023 991st emgordon154 624 151 9ms 6 Oct 2024 992nd Herbert00709 🇵🇱 622 87 2ms 19 Nov 2024 993rd Yewzir 🇧🇪 621 64 5ms 16 Nov 2023 994th janbehrens 🇩🇪 621 68 42ms 18 Jan 2021 995th dokutan 621 106 11ms 24 Mar 2025 996th vodker1 620 81 11ms 9 Mar 2022 996th tooningelaere 620 81 9ms 5 Dec 2022 996th Arkadios200 620 81 12ms 18 days ago 999th SirFireball3521 619 58 139ms 2 Mar 2023 1,000th Shanethegamer 🇺🇸 617 85 4ms 21 Dec 2024 First Prev 901–1,000 of 2,112 Next Last