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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 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 Bytes Time Submitted 750th Yewzir 🇧🇪 799 38 211ms 7 May 2024 752nd Betuaredead 798 147 260ms 21 Jan 2023 753rd error256 796 51 323ms 15 Jan 2025 754th Matgc04 796 91 361ms 17 Nov 2023 755th MeWhenI 🇻🇦 795 85 4,476ms 27 Oct 2024 756th albanian-laundromat 794 44 967ms 25 Sep 2025 757th msbranicky 793 54 10ms 23 Aug 2023 757th Code-Coder-coder 793 54 10ms 17 days ago 759th Ripick 793 148 304ms 16 Feb 2023 760th nipzu 790 98 75ms 4 Feb 2022 761st SniperSmiley 🇺🇸 787 25 36ms 4 Sep 2022 761st CornerMercury 🇬🇧 787 25 47ms 24 Aug 2023 763rd namelessiw 787 49 373ms 19 Aug 2024 764th Shanethegamer 🇺🇸 787 92 375ms 29 Jan 2022 764th dokutan 787 92 411ms 24 Mar 2025 766th Yewzir 🇧🇪 786 39 45ms 7 May 2024 766th codereport 🇨🇦 786 39 35ms 21 Apr 2025 766th Chara-0x 786 39 34ms 18 Sep 2025 769th stefangimmillaro 786 86 4,016ms 4 Nov 2024 770th annaproxy 785 65 5ms 3 Oct 2022 771st didion0 🇺🇸 784 50 9ms 16 Feb 2022 771st Natanaelel 🇸🇪 784 50 9ms 3 Jan 2024 771st weliveinhell 🇭🇹 784 50 10ms 11 Jan 2024 771st inverseLorentz 🇦🇺 784 50 12ms 1 Apr 2024 775th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 775th Steffan153 🇫🇮 784 65 7ms 20 Dec 2023 777th stellartux 783 48 299ms 1 Jan 2024 778th KasperKivimaeki 🇫🇮 782 150 299ms 29 Sep 2025 779th stefangimmillaro 781 159 27ms 4 May 2023 780th jared-hughes 780 139 369ms 24 Sep 2025 781st ZakkkkAttackkkk 🇵🇭 779 55 14ms 30 Jan 2022 781st Emutis 🇱🇹 779 55 12ms 27 Oct 2024 783rd hamhub7 779 93 419ms 3 Aug 2022 783rd MeWhenI 🇻🇦 779 93 364ms 15 Oct 2022 785th DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 785th pardouin 🇫🇷 777 68 8ms 20 Mar 2025 787th kimbo 🇺🇸 777 151 284ms 25 Dec 2022 788th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 789th Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 789th Z-snails 776 59 145ms 28 Feb 2023 791st inventshah 773 22 2ms 8 May 2022 792nd KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 793rd CheeseCake628 🇳🇴 772 50 438ms 11 days ago 794th Shanethegamer 🇺🇸 771 58 15ms 29 Jan 2022 795th ovs-code 🇩🇪 771 82 117ms 14 Oct 2022 796th codingisgreatbutiamnot 769 51 11ms 25 Jul 2024 797th Yax42 🇫🇷 769 141 574ms 25 days ago 798th jared-hughes 769 307 22ms 8 Jul 2024 799th MeWhenI 🇻🇦 767 49 376ms 15 Feb 2023 800th dokutan 767 153 295ms 24 Mar 2025 801st ovs-code 🇩🇪 766 161 142ms 21 Apr 2025 802nd petroselo 765 56 14ms 12 Apr 2022 802nd HumanoidCPU 765 56 21ms 27 May 2024 802nd kevinnaviapaiva 765 56 13ms 19 Dec 2024 802nd 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 57 mins ago 811th nipzu 761 162 144ms 2 Apr 2024 812th pardouin 🇫🇷 760 51 81ms 13 Sep 2024 813th Stockoh 🇫🇷 757 51 373ms 23 Jun 2024 814th SirBogman 🇺🇸 756 26 36ms 10 Sep 2022 814th Herbert00709 🇵🇱 756 26 56ms 21 Feb 2024 816th SirFireball3521 754 52 10ms 3 Nov 2022 817th Terobero 752 57 13ms 21 Aug 2024 817th Mick-Travis 752 57 13ms 8 Dec 2024 819th pardouin 🇫🇷 752 84 109ms 8 Mar 2025 820th MeWhenI 🇻🇦 752 156 256ms 10 Feb 2023 821st ovs-code 🇩🇪 751 32 119ms 29 Dec 2023 821st Steffan153 🇫🇮 751 32 118ms 11 Mar 2024 823rd iczelia 🇩🇪 751 52 30ms 15 days ago 824th Jeremy-Stafford 750 61 143ms 28 Feb 2023 824th inverseLorentz 🇦🇺 750 61 134ms 23 Apr 2024 First Prev 751–825 of 1,927 Next Last