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Catalan Numbers in all languages in chars. 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 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 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Erlang Fennel Harbour Hare Haxe Hush Hy iogii Knight 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 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 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 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 Topological Sort Transpose Sentence Trinomial Triangle 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 750th Code-Coder-coder 793 54 10ms 17 days ago 752nd Ripick 793 148 304ms 16 Feb 2023 753rd MeWhenI 🇻🇦 789 45 29ms 16 Apr 2023 754th Shanethegamer 🇺🇸 787 92 375ms 29 Jan 2022 754th dokutan 787 92 411ms 24 Mar 2025 756th Yewzir 🇧🇪 786 39 45ms 7 May 2024 756th codereport 🇨🇦 786 39 35ms 21 Apr 2025 756th Chara-0x 786 39 34ms 18 Sep 2025 759th stefangimmillaro 786 86 4,016ms 4 Nov 2024 760th annaproxy 785 65 5ms 3 Oct 2022 761st didion0 🇺🇸 784 50 9ms 16 Feb 2022 761st Natanaelel 🇸🇪 784 50 9ms 3 Jan 2024 761st weliveinhell 🇭🇹 784 50 10ms 11 Jan 2024 761st inverseLorentz 🇦🇺 784 50 12ms 1 Apr 2024 765th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 765th Steffan153 🇫🇮 784 65 7ms 20 Dec 2023 767th KatieLG 🇬🇧 783 47 407ms 15 Jan 2024 767th Yewzir 🇧🇪 783 47 383ms 7 May 2024 767th snoozingnewt 🇺🇸 783 47 400ms 4 days ago 770th KasperKivimaeki 🇫🇮 782 150 299ms 29 Sep 2025 771st stellartux 781 47 299ms 1 Jan 2024 772nd stefangimmillaro 781 159 27ms 4 May 2023 773rd jared-hughes 780 139 369ms 24 Sep 2025 774th 2011-Chan-Ethan 779 55 14ms 14 Jul 2023 774th cuboids 779 55 11ms 10 Jul 2024 774th jatloe 779 55 13ms 27 Sep 2024 774th Emutis 🇱🇹 779 55 12ms 27 Oct 2024 778th hamhub7 779 93 419ms 3 Aug 2022 778th MeWhenI 🇻🇦 779 93 364ms 15 Oct 2022 780th MeWhenI 🇻🇦 778 23 39ms 25 Jul 2022 780th AlephSquirrel 778 23 44ms 31 Dec 2022 782nd DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 782nd pardouin 🇫🇷 777 68 8ms 20 Mar 2025 784th KasperKivimaeki 🇫🇮 777 147 5ms 4 Jun 2025 785th kimbo 🇺🇸 777 151 284ms 25 Dec 2022 786th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 787th Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 787th Z-snails 776 59 145ms 28 Feb 2023 789th inventshah 773 22 2ms 8 May 2022 790th KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 791st Natanaelel 🇸🇪 772 46 32ms 3 Jan 2024 792nd Shanethegamer 🇺🇸 771 58 15ms 29 Jan 2022 793rd ovs-code 🇩🇪 771 82 117ms 14 Oct 2022 794th codingisgreatbutiamnot 769 51 11ms 25 Jul 2024 795th Yax42 🇫🇷 769 141 574ms 25 days ago 796th jared-hughes 769 307 22ms 8 Jul 2024 797th dokutan 767 153 295ms 24 Mar 2025 798th albanian-laundromat 766 48 404ms 22 days ago 799th ovs-code 🇩🇪 766 161 142ms 21 Apr 2025 800th MeWhenI 🇻🇦 765 48 376ms 15 Feb 2023 801st petroselo 765 56 14ms 12 Apr 2022 801st SB-945 765 56 12ms 10 Jul 2023 801st JunkIce 765 56 13ms 24 Nov 2024 801st kevinnaviapaiva 765 56 13ms 19 Dec 2024 801st wobblybits 765 56 10ms 19 Aug 2025 806th brimstonetrader 763 60 126ms 10 Jan 2024 806th YAJUE114514 763 60 145ms 23 Jul 2025 808th Yewzir 🇧🇪 763 102 154ms 7 May 2024 809th LeeCamp 762 27 37ms 10 Feb 2022 810th snoozingnewt 🇺🇸 762 154 248ms 31 mins ago 811th nipzu 761 162 144ms 2 Apr 2024 812th pardouin 🇫🇷 760 51 81ms 13 Sep 2024 813th SirFireball3521 754 52 10ms 3 Nov 2022 814th PrathamMehta08 752 57 13ms 6 Dec 2023 814th Terobero 752 57 13ms 21 Aug 2024 814th AtengChen 752 57 11ms 7 Sep 2024 814th Mick-Travis 752 57 13ms 8 Dec 2024 818th pardouin 🇫🇷 752 84 109ms 8 Mar 2025 819th MeWhenI 🇻🇦 752 156 256ms 10 Feb 2023 820th namelessiw 751 49 373ms 19 Aug 2024 821st Jeremy-Stafford 750 61 143ms 28 Feb 2023 821st inverseLorentz 🇦🇺 750 61 134ms 23 Apr 2024 823rd dokutan 750 83 455ms 22 Sep 2025 824th pardouin 🇫🇷 749 68 7ms 26 Apr 2025 824th kg583 🇺🇸 749 68 7ms 15 Aug 2025 First Prev 751–825 of 1,913 Next Last