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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 751st albanian-laundromat 803 117 476ms 5 Oct 2025 752nd emplv 🇱🇻 800 79 105ms 20 Dec 2022 752nd DialFrost 🇸🇬 800 79 115ms 23 Mar 2025 754th Feniske 🇫🇷 799 38 200ms 6 Nov 2023 754th Yewzir 🇧🇪 799 38 195ms 7 May 2024 756th j-Ewan 798 46 405ms 11 Feb 2022 756th czylabsonasa 🇭🇺 798 46 289ms 14 Jun 2022 758th dokutan 798 136 349ms 19 days ago 759th Betuaredead 798 147 266ms 21 Jan 2023 760th error256 797 51 78ms 15 Jan 2025 761st Matgc04 796 91 338ms 17 Nov 2023 762nd albanian-laundromat 795 44 698ms 25 Sep 2025 762nd Yewzir 🇧🇪 795 44 740ms 11 days ago 764th MeWhenI 🇻🇦 795 85 3,002ms 27 Oct 2024 765th msbranicky 793 54 9ms 23 Aug 2023 765th Code-Coder-coder 793 54 9ms 12 Oct 2025 767th Ripick 793 148 273ms 16 Feb 2023 768th MeWhenI 🇻🇦 790 45 29ms 16 Apr 2023 769th Shanethegamer 🇺🇸 787 92 331ms 29 Jan 2022 769th dokutan 787 92 344ms 24 Mar 2025 771st Yewzir 🇧🇪 786 39 45ms 7 May 2024 771st codereport 🇨🇦 786 39 35ms 21 Apr 2025 771st Chara-0x 786 39 34ms 18 Sep 2025 774th stefangimmillaro 786 86 2,974ms 4 Nov 2024 775th didion0 🇺🇸 785 50 8ms 16 Feb 2022 775th Natanaelel 🇸🇪 785 50 9ms 3 Jan 2024 775th weliveinhell 🇭🇹 785 50 8ms 11 Jan 2024 775th inverseLorentz 🇦🇺 785 50 8ms 1 Apr 2024 775th JOrE20 🇺🇸 785 50 9ms 11 days ago 780th annaproxy 785 65 3ms 3 Oct 2022 781st Shanethegamer 🇺🇸 784 65 5ms 19 Dec 2023 781st Steffan153 🇫🇮 784 65 5ms 20 Dec 2023 783rd KatieLG 🇬🇧 783 47 407ms 15 Jan 2024 783rd Yewzir 🇧🇪 783 47 383ms 7 May 2024 785th KasperKivimaeki 🇫🇮 782 150 263ms 29 Sep 2025 786th stellartux 781 47 277ms 1 Jan 2024 787th jared-hughes 781 139 342ms 24 Sep 2025 788th stefangimmillaro 781 159 27ms 4 May 2023 789th blaztoma 🇱🇹 779 39 186ms 2 days ago 790th 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 790th cuboids 779 55 9ms 10 Jul 2024 790th jatloe 779 55 10ms 27 Sep 2024 790th Emutis 🇱🇹 779 55 12ms 27 Oct 2024 794th hamhub7 779 93 337ms 3 Aug 2022 794th MeWhenI 🇻🇦 779 93 342ms 15 Oct 2022 796th MeWhenI 🇻🇦 778 23 39ms 25 Jul 2022 796th AlephSquirrel 778 23 44ms 31 Dec 2022 798th DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 798th pardouin 🇫🇷 777 68 8ms 20 Mar 2025 800th KasperKivimaeki 🇫🇮 777 147 5ms 4 Jun 2025 801st kimbo 🇺🇸 777 151 266ms 25 Dec 2022 802nd rak1507 🇬🇧 776 52 30ms 29 Jan 2022 803rd Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 803rd Z-snails 776 59 145ms 28 Feb 2023 805th inventshah 773 22 2ms 8 May 2022 806th Natanaelel 🇸🇪 773 46 32ms 3 Jan 2024 807th KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 808th Shanethegamer 🇺🇸 771 58 15ms 29 Jan 2022 809th ovs-code 🇩🇪 771 82 104ms 14 Oct 2022 810th jared-hughes 771 307 22ms 8 Jul 2024 811th codingisgreatbutiamnot 769 51 8ms 25 Jul 2024 812th Yax42 🇫🇷 769 141 331ms 4 Oct 2025 813th albanian-laundromat 767 48 404ms 7 Oct 2025 814th dokutan 767 153 270ms 24 Mar 2025 815th ovs-code 🇩🇪 766 161 132ms 21 Apr 2025 816th MeWhenI 🇻🇦 765 48 388ms 15 Feb 2023 817th petroselo 765 56 9ms 12 Apr 2022 817th SB-945 765 56 10ms 10 Jul 2023 817th JunkIce 765 56 13ms 24 Nov 2024 817th kevinnaviapaiva 765 56 10ms 19 Dec 2024 817th wobblybits 765 56 10ms 19 Aug 2025 822nd brimstonetrader 763 60 126ms 10 Jan 2024 822nd YAJUE114514 763 60 145ms 23 Jul 2025 824th Yewzir 🇧🇪 763 102 154ms 7 May 2024 825th LeeCamp 762 27 37ms 10 Feb 2022 First Prev 751–825 of 1,942 Next Last