The Mandelbrot hole will go live in approximately 10 hours. Why not try and solve it ahead of time?
Catalan Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir F# Factor Forth Fortran Gleam Go GolfScript 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz 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 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 Maze Medal Tally Morse Decoder Morse Encoder 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 520th lelbal 874 49 17 Sep 2024 520th snydej 874 49 27 Nov 2024 520th StefanHabel 🇨🇦 874 49 8 Mar 2025 520th bltnppcnt 874 49 10 Apr 2025 530th primo-ppcg 🇹🇭 873 43 29 Jan 2022 530th janbehrens 🇩🇪 873 43 29 Jan 2022 530th MarcMush 🇫🇷 873 43 9 Feb 2022 533rd sean-niemann 🇺🇸 872 71 26 Sep 2023 534th Yewzir 🇧🇪 870 134 28 Oct 2023 535th Steffan153 🇫🇮 869 126 5 May 2024 536th xsot 🇸🇬 869 128 16 days ago 537th GrayJoKing 🇦🇺 868 36 31 Jan 2022 538th canissimia 🇦🇶 868 150 5 Jun 2023 539th JayXon 🇺🇸 867 35 29 Jan 2022 539th stefangimmillaro 867 35 6 Nov 2023 541st anter69 🇭🇺 867 57 23 Feb 2023 542nd albanian-laundromat 867 241 4 days ago 543rd MeWhenI 🇻🇦 866 45 16 Apr 2023 544th HPWiz 🇳🇿 866 146 12 Oct 2023 545th ovs-code 🇩🇪 865 135 30 Sep 2024 546th ovs-code 🇩🇪 865 244 10 Jan 2023 546th GrayJoKing 🇦🇺 865 244 11 Jan 2023 548th GrayJoKing 🇦🇺 863 181 8 May 2022 549th Steffan153 🇫🇮 862 47 10 Dec 2022 550th jtaxen 862 53 16 Jul 2024 551st MeWhenI 🇻🇦 862 59 1 Oct 2022 551st DialFrost 🇸🇬 862 59 11 Feb 2023 553rd inventshah 862 127 5 May 2024 554th ovs-code 🇩🇪 861 139 18 Dec 2022 555th ovs-code 🇩🇪 860 72 27 Feb 2022 555th GrayJoKing 🇦🇺 860 72 28 Feb 2022 555th Steffan153 🇫🇮 860 72 11 Feb 2023 558th rucin93 🇵🇱 860 229 5 days ago 559th m-tkach 🇺🇦 858 372 10 days ago 560th stefangimmillaro 857 136 9 Sep 2023 561st commandblockguy 🇺🇸 856 45 16 Jan 2024 561st lifthrasiir 🇰🇷 856 45 2 Dec 2024 563rd jrm5399 🇰🇿 856 50 30 Jan 2022 563rd Freddiechang 856 50 8 Mar 2024 565th MeWhenI 🇻🇦 855 23 25 Jul 2022 565th AlephSquirrel 855 23 31 Dec 2022 567th sean-niemann 🇺🇸 855 128 4 May 2024 568th ovs-code 🇩🇪 855 276 8 Jul 2024 569th primo-ppcg 🇹🇭 855 393 3 Aug 2023 570th Codsilla 🇨🇦 854 44 3 Nov 2023 571st primo-ppcg 🇹🇭 854 218 6 Aug 2023 572nd inventshah 853 79 25 Oct 2024 572nd error256 853 79 26 Oct 2024 572nd emgordon154 853 79 1 Nov 2024 575th 386asm 🇺🇸 853 175 4 May 2023 576th Natanaelel 🇸🇪 852 58 3 Jan 2024 577th stefangimmillaro 852 191 3 May 2023 578th KatieLG 🇬🇧 851 36 10 Apr 2022 578th SirBogman 🇺🇸 851 36 17 May 2022 580th dokutan 851 46 24 days ago 581st MeWhenI 🇻🇦 851 59 13 Feb 2025 581st DialFrost 🇸🇬 851 59 13 Feb 2025 581st Shanethegamer 🇺🇸 851 59 13 Feb 2025 581st pardouin 🇫🇷 851 59 20 Mar 2025 585th arcpolaris 851 85 16 Dec 2024 586th primo-ppcg 🇹🇭 851 129 14 Jan 2025 587th sean-niemann 🇺🇸 851 137 15 Sep 2023 588th FlyingPenguin223 850 20 17 Oct 2024 589th Yewzir 🇧🇪 849 125 7 May 2024 590th MeWhenI 🇻🇦 848 73 28 Feb 2022 590th Shanethegamer 🇺🇸 848 73 23 Mar 2022 590th DialFrost 🇸🇬 848 73 26 Oct 2023 590th jipsong 🇩🇪 848 73 1 Jul 2024 590th emgordon154 848 73 25 May 2025 595th Natanaelel 🇸🇪 847 46 3 Jan 2024 595th fuzzylojik-golf 🇺🇸 847 46 15 days ago 597th Shanethegamer 🇺🇸 845 48 11 Mar 2023 598th canissimia 🇦🇶 845 135 30 Jan 2022 598th btnlq 845 135 17 Nov 2022 600th lynn 845 148 12 Jan 2025 Prev 526–600 of 1,781 Next
