Catalan Numbers in all languages in chars. 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 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 ><> 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 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 ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input 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 Chars Time Submitted 748th yzhs 🇩🇪 808 53 9ms 22 Jun 2022 748th markusgraube 808 53 11ms 24 Apr 2023 748th mstang107 808 53 9ms 20 Dec 2023 748th smokestacklightnin 🇺🇸 808 53 9ms 10 Jan 2024 748th HumanoidCPU 808 53 16ms 27 May 2024 748th Mabeloid 🇳🇴 808 53 10ms 21 Sep 2024 748th agreegious 808 53 11ms 14 Nov 2024 748th 0dyse 808 53 9ms 29 Apr 2025 748th piano-miles 808 53 9ms 9 May 2025 760th tatzyr 🇯🇵 807 38 32ms 14 Nov 2024 761st kmathis22 804 135 444ms 23 Oct 2025 762nd jerrandolph 804 146 265ms 23 Sep 2025 763rd blaztoma 🇱🇹 803 57 120ms 22 Aug 2025 764th MeWhenI 🇻🇦 803 97 145ms 2 Jul 2023 765th albanian-laundromat 803 117 490ms 5 Oct 2025 766th MeWhenI 🇻🇦 802 227 298ms 29 Dec 2024 767th emplv 🇱🇻 800 79 100ms 20 Dec 2022 767th DialFrost 🇸🇬 800 79 98ms 23 Mar 2025 769th Feniske 🇫🇷 799 38 200ms 6 Nov 2023 769th Yewzir 🇧🇪 799 38 195ms 7 May 2024 771st j-Ewan 798 46 404ms 11 Feb 2022 771st czylabsonasa 🇭🇺 798 46 289ms 14 Jun 2022 773rd dokutan 798 136 438ms 7 Nov 2025 774th Betuaredead 798 147 274ms 21 Jan 2023 775th error256 797 51 73ms 15 Jan 2025 776th Matgc04 796 91 338ms 17 Nov 2023 777th albanian-laundromat 795 44 721ms 25 Sep 2025 777th Yewzir 🇧🇪 795 44 700ms 24 days ago 779th MeWhenI 🇻🇦 795 85 2,952ms 27 Oct 2024 780th msbranicky 793 54 10ms 23 Aug 2023 780th Code-Coder-coder 793 54 10ms 12 Oct 2025 782nd Ripick 793 148 272ms 16 Feb 2023 783rd MeWhenI 🇻🇦 790 45 28ms 16 Apr 2023 784th Shanethegamer 🇺🇸 787 92 331ms 29 Jan 2022 784th dokutan 787 92 344ms 24 Mar 2025 786th Yewzir 🇧🇪 786 39 34ms 7 May 2024 786th codereport 🇨🇦 786 39 32ms 21 Apr 2025 786th Chara-0x 786 39 32ms 18 Sep 2025 789th stefangimmillaro 786 86 2,828ms 4 Nov 2024 790th didion0 🇺🇸 785 50 8ms 16 Feb 2022 790th Natanaelel 🇸🇪 785 50 8ms 3 Jan 2024 790th weliveinhell 🇭🇹 785 50 8ms 11 Jan 2024 790th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 790th JOrE20 🇺🇸 785 50 9ms 24 days ago 795th annaproxy 785 65 3ms 3 Oct 2022 796th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 796th Steffan153 🇫🇮 784 65 5ms 20 Dec 2023 798th KatieLG 🇬🇧 783 47 318ms 15 Jan 2024 798th Yewzir 🇧🇪 783 47 362ms 7 May 2024 800th stellartux 781 47 277ms 1 Jan 2024 801st jared-hughes 781 139 430ms 24 Sep 2025 802nd stefangimmillaro 781 159 29ms 4 May 2023 803rd blaztoma 🇱🇹 779 39 186ms 15 days ago 804th 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 804th cuboids 779 55 10ms 10 Jul 2024 804th jatloe 779 55 10ms 27 Sep 2024 804th Emutis 🇱🇹 779 55 11ms 27 Oct 2024 808th hamhub7 779 93 337ms 3 Aug 2022 808th MeWhenI 🇻🇦 779 93 342ms 15 Oct 2022 810th MeWhenI 🇻🇦 778 23 35ms 25 Jul 2022 810th AlephSquirrel 778 23 37ms 31 Dec 2022 812th DialFrost 🇸🇬 777 68 6ms 7 Dec 2024 812th pardouin 🇫🇷 777 68 5ms 20 Mar 2025 814th KasperKivimaeki 🇫🇮 777 147 5ms 4 Jun 2025 815th kimbo 🇺🇸 777 151 280ms 25 Dec 2022 816th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 817th Shanethegamer 🇺🇸 776 59 122ms 29 Jan 2022 817th Z-snails 776 59 129ms 28 Feb 2023 819th jared-hughes 774 307 22ms 8 Jul 2024 820th inventshah 773 22 2ms 8 May 2022 821st Natanaelel 🇸🇪 773 46 28ms 3 Jan 2024 822nd KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 823rd Shanethegamer 🇺🇸 771 58 13ms 29 Jan 2022 824th ovs-code 🇩🇪 771 82 99ms 14 Oct 2022 825th codingisgreatbutiamnot 769 51 8ms 25 Jul 2024 First Prev 751–825 of 1,957 Next Last