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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 480th Bubbler-4 848 89 118ms 1 Jul 2021 482nd snoozingnewt 🇨🇦 847 44 98ms 9 Feb 2026 483rd jared-hughes 847 55 10ms 31 Jul 2022 483rd emgordon154 847 55 10ms 4 Mar 2025 485th primo-ppcg 🇹🇭 847 85 53ms 18 Jan 2022 485th 09cf 847 85 57ms 24 Sep 2023 487th emgordon154 847 131 1,613ms 29 Nov 2024 488th dokutan 843 47 4ms 18 Jul 2025 489th Shanethegamer 🇺🇸 843 50 38ms 22 Mar 2023 489th MeWhenI 🇻🇦 843 50 37ms 22 Mar 2023 491st KatieLG 🇬🇧 843 57 439ms 15 Jan 2024 491st kg583 🇺🇸 843 57 395ms 15 Jan 2024 491st GrayJoKing 🇦🇺 843 57 446ms 15 Jan 2024 491st MeWhenI 🇻🇦 843 57 458ms 17 Jan 2024 491st Yewzir 🇧🇪 843 57 478ms 29 Feb 2024 491st SirBogman 🇺🇸 843 57 423ms 10 Jun 2024 491st lifthrasiir 🇰🇷 843 57 449ms 2 Dec 2024 491st GolfingSuccess 🇬🇷 843 57 406ms 24 Dec 2024 491st emgordon154 843 57 405ms 23 Apr 2025 491st Babafaba 843 57 453ms 19 Nov 2025 491st CaedenHarper 🇨🇦 843 57 381ms 9 Dec 2025 502nd MeWhenI 🇻🇦 843 104 278ms 8 Feb 2023 503rd MeWhenI 🇻🇦 842 76 37ms 16 Jun 2022 504th ovs-code 🇩🇪 842 87 110ms 8 Mar 2024 505th fuzzylojik-golf 🇺🇸 841 23 3ms 6 Sep 2025 506th btnlq 841 43 252ms 26 Jan 2021 506th primo-ppcg 🇹🇭 841 43 256ms 25 May 2021 508th primo-ppcg 🇹🇭 841 87 29ms 25 Jan 2023 509th Yewzir 🇧🇪 841 132 1,746ms 27 Apr 2024 509th DialFrost 🇸🇬 841 132 1,650ms 17 Jan 2026 511th acotis 839 90 128ms 3 Oct 2025 512th AGoyet 837 60 13ms 29 Jun 2022 512th jakobkordez 🇸🇮 837 60 16ms 8 Nov 2022 512th betaveros 837 60 20ms 31 Dec 2022 512th AlexanderFair 837 60 11ms 23 Jun 2023 512th Andriamanitra 🇫🇮 837 60 14ms 20 Jul 2023 512th dranjohn 837 60 47ms 15 Sep 2023 512th SB-945 837 60 10ms 20 Feb 2024 512th inverseLorentz 🇦🇺 837 60 11ms 9 Apr 2024 512th 051 🇸🇬 837 60 11ms 1 Aug 2024 512th vgamula 🇺🇦 837 60 33ms 28 Jul 2025 512th LuisGoncalves05 🇵🇹 837 60 11ms 29 Jul 2025 512th solisolu 837 60 11ms 1 Jan 2026 524th GrayJoKing 🇦🇺 837 84 466ms 28 Feb 2022 525th GrayJoKing 🇦🇺 834 55 141ms 6 Aug 2024 526th GrayJoKing 🇦🇺 833 57 36ms 5 Sep 2024 527th MeWhenI 🇻🇦 832 56 10ms 8 Jun 2022 527th Yewzir 🇧🇪 832 56 11ms 16 Nov 2023 527th voytxt 🇨🇿 832 56 9ms 25 Jan 2025 527th targrik 832 56 9ms 21 Feb 2025 531st sean-niemann 🇺🇸 832 77 41ms 18 Dec 2023 532nd kritixilithos 831 58 3ms 29 May 2024 533rd prplz 🇦🇺 831 65 2ms 24 Jan 2021 533rd sisyphus-ppcg 🇦🇺 831 65 2ms 25 Jan 2021 533rd inventshah 831 65 2ms 17 Nov 2022 533rd 09cf 831 65 2ms 24 Sep 2023 533rd DialFrost 🇸🇬 831 65 2ms 6 May 2025 538th primo-ppcg 🇹🇭 831 77 1,449ms 30 Nov 2021 539th sisyphus-ppcg 🇦🇺 829 60 148ms 25 Feb 2021 539th sean-niemann 🇺🇸 829 60 157ms 27 Dec 2023 541st neel11235813 828 58 434ms 15 Jan 2024 541st Kacarott 🇦🇺 828 58 403ms 15 Jan 2024 541st Shanethegamer 🇺🇸 828 58 370ms 16 Jan 2024 541st Natanaelel 🇸🇪 828 58 445ms 20 Jan 2024 541st AlephSquirrel 828 58 467ms 21 Jan 2024 541st namelessiw 828 58 402ms 15 Aug 2024 541st snoozingnewt 🇨🇦 828 58 477ms 1 Dec 2025 548th Irratix 🇳🇱 827 51 36ms 4 Mar 2022 549th GrayJoKing 🇦🇺 827 65 4ms 9 Nov 2023 550th Yewzir 🇧🇪 827 85 486ms 16 Nov 2023 551st MeWhenI 🇻🇦 824 78 119ms 14 Oct 2022 552nd petroselo 823 61 10ms 16 Nov 2021 552nd Irratix 🇳🇱 823 61 11ms 8 Dec 2021 552nd cubed-guy 823 61 11ms 12 Feb 2022 552nd CedricGebistorf 823 61 11ms 18 Feb 2022 552nd jascotm 823 61 11ms 17 May 2022 552nd Eilonlif 🇮🇱 823 61 31ms 9 Sep 2022 552nd vishwathg 823 61 20ms 18 Sep 2022 552nd ZakkkkAttackkkk 🇵🇭 823 61 12ms 19 Aug 2023 552nd jtaxen 823 61 11ms 26 Mar 2024 First Prev 481–560 of 1,929 Next Last