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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator 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 561st MeWhenI 🇻🇦 827 78 116ms 14 Oct 2022 562nd GrayJoKing 🇦🇺 825 81 120ms 14 Mar 2022 562nd MeWhenI 🇻🇦 825 81 120ms 15 Nov 2022 564th petroselo 824 61 10ms 16 Nov 2021 564th Irratix 🇳🇱 824 61 12ms 8 Dec 2021 564th cubed-guy 824 61 12ms 12 Feb 2022 564th CedricGebistorf 824 61 12ms 18 Feb 2022 564th jascotm 824 61 11ms 17 May 2022 564th Eilonlif 🇮🇱 824 61 39ms 9 Sep 2022 564th vishwathg 824 61 21ms 18 Sep 2022 564th ZakkkkAttackkkk 🇵🇭 824 61 13ms 19 Aug 2023 564th jtaxen 824 61 10ms 26 Mar 2024 564th ahmetdemirag 🇨🇾 824 61 18ms 5 Nov 2024 564th Pyroan 824 61 13ms 16 Mar 2025 564th tri1212 🇻🇳 824 61 12ms 16 Apr 2025 564th zgialor-lab 824 61 11ms 3 days ago 577th alemelis 823 60 1,968ms 14 Aug 2024 578th emgordon154 821 107 110ms 4 Dec 2025 579th ovs-code 🇩🇪 820 56 149ms 3 Aug 2024 580th primo-ppcg 🇹🇭 820 66 2ms 18 Jan 2021 580th jared-hughes 820 66 2ms 31 Jul 2022 582nd KasperKivimaeki 🇫🇮 820 88 56ms 27 Nov 2025 582nd emgordon154 820 88 57ms 8 Feb 2026 584th m-tkach 🇺🇦 819 101 29ms 18 Jan 2024 585th NewDefectus 🇮🇱 818 57 11ms 1 Nov 2021 586th inventshah 818 59 2ms 18 May 2022 586th MeWhenI 🇻🇦 818 59 2ms 18 May 2022 588th Yewzir 🇧🇪 818 61 148ms 16 Nov 2023 589th duckyluuk 🇳🇱 818 70 2,273ms 28 Oct 2024 589th jkelly467 818 70 2,503ms 22 Dec 2025 591st Shanethegamer 🇺🇸 818 84 468ms 25 Sep 2025 592nd Shanethegamer 🇺🇸 817 96 85ms 9 Jun 2022 593rd ovs-code 🇩🇪 816 66 2ms 10 Oct 2023 593rd inventshah 816 66 2ms 22 Oct 2023 595th Steffan153 🇫🇮 816 90 4ms 10 Feb 2023 596th BREMAUCY 🇫🇷 815 59 553ms 20 Feb 2024 597th Yewzir 🇧🇪 813 79 37ms 16 Nov 2023 598th m-tkach 🇺🇦 813 106 25ms 25 Apr 2022 599th Shanethegamer 🇺🇸 813 108 326ms 26 Sep 2021 600th janlelis 812 52 38ms 18 Jan 2021 600th hiddicop 🇸🇪 812 52 37ms 29 Jan 2021 600th prplz 🇦🇺 812 52 39ms 22 Apr 2021 600th anter69 🇭🇺 812 52 41ms 14 Jan 2022 600th OhmNomNom 812 52 76ms 12 Oct 2022 600th olleicua 🇺🇸 812 52 39ms 25 Feb 2024 600th emgordon154 812 52 40ms 26 Nov 2024 607th Steffan153 🇫🇮 812 79 1,328ms 23 Mar 2023 608th GolfingSuccess 🇬🇷 812 81 9ms 9 Sep 2022 609th m-tkach 🇺🇦 811 89 60ms 25 Apr 2022 609th MeWhenI 🇻🇦 811 89 57ms 8 May 2022 611th vezzick 810 62 13ms 12 Mar 2021 611th schachmattmatt 810 62 14ms 18 Aug 2021 611th cooljoseph1 810 62 24ms 6 May 2022 611th fredrik-bakke 🇳🇴 810 62 24ms 29 Sep 2022 611th nkoppel 810 62 16ms 19 Oct 2022 611th AodhanDalton 810 62 13ms 4 Nov 2022 611th nstearns96 🇬🇧 810 62 19ms 28 Nov 2022 611th adamnielson42 🇺🇸 810 62 12ms 10 Jan 2024 611th jbjd 810 62 11ms 2 Mar 2024 611th wh3n3v3r 🇨🇿 810 62 11ms 12 Nov 2024 611th jacekwladzinski 810 62 13ms 4 Oct 2025 611th Mabeloid 🇳🇴 810 62 12ms 26 Oct 2025 623rd Shanethegamer 🇺🇸 809 76 387ms 13 Dec 2021 624th emgordon154 808 85 8ms 3 Jan 2025 625th Dazza314 🇬🇧 807 24 3ms 16 Apr 2021 626th emgordon154 807 67 2ms 22 Apr 2025 627th Shanethegamer 🇺🇸 807 94 120ms 25 Jan 2021 628th Steffan153 🇫🇮 807 112 6ms 24 days ago 629th stefangimmillaro 806 80 104ms 23 Sep 2023 630th DaDerpDuck 805 76 1ms 20 Jan 2021 631st prplz 🇦🇺 805 83 124ms 10 Jul 2024 632nd ArmaanAS 804 58 13ms 4 Apr 2021 632nd itsh01 804 58 11ms 18 Nov 2021 634th Steffan153 🇫🇮 804 60 2ms 6 May 2023 635th GolfingSuccess 🇬🇷 803 69 7ms 24 Dec 2024 636th MeWhenI 🇻🇦 802 50 3ms 11 Nov 2022 637th MeWhenI 🇻🇦 802 88 457ms 28 Feb 2022 638th Yewzir 🇧🇪 802 90 57ms 14 Oct 2023 639th NewDefectus 🇮🇱 801 35 50ms 25 Jan 2022 640th emgordon154 800 98 72ms 2 days ago First Prev 561–640 of 2,039 Next Last