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 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 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 745th smokestacklightnin 🇺🇸 808 53 9ms 10 Jan 2024 745th HumanoidCPU 808 53 16ms 27 May 2024 745th Mabeloid 🇳🇴 808 53 10ms 21 Sep 2024 745th agreegious 808 53 11ms 14 Nov 2024 745th 0dyse 808 53 9ms 29 Apr 2025 745th piano-miles 808 53 9ms 9 May 2025 757th tatzyr 🇯🇵 807 38 35ms 14 Nov 2024 758th edsrzf 🇳🇿 807 48 84ms 9 Mar 2025 759th kmathis22 804 135 337ms 23 Oct 2025 760th jerrandolph 804 146 256ms 23 Sep 2025 761st blaztoma 🇱🇹 803 57 131ms 22 Aug 2025 762nd MeWhenI 🇻🇦 803 97 145ms 2 Jul 2023 763rd albanian-laundromat 803 117 490ms 5 Oct 2025 764th MeWhenI 🇻🇦 802 227 299ms 29 Dec 2024 765th emplv 🇱🇻 800 79 100ms 20 Dec 2022 765th DialFrost 🇸🇬 800 79 98ms 23 Mar 2025 767th Feniske 🇫🇷 799 38 200ms 6 Nov 2023 767th Yewzir 🇧🇪 799 38 195ms 7 May 2024 769th j-Ewan 798 46 405ms 11 Feb 2022 769th czylabsonasa 🇭🇺 798 46 289ms 14 Jun 2022 771st dokutan 798 136 349ms 7 Nov 2025 772nd Betuaredead 798 147 263ms 21 Jan 2023 773rd error256 797 51 73ms 15 Jan 2025 774th Matgc04 796 91 338ms 17 Nov 2023 775th albanian-laundromat 795 44 675ms 25 Sep 2025 775th Yewzir 🇧🇪 795 44 728ms 22 days ago 777th MeWhenI 🇻🇦 795 85 3,002ms 27 Oct 2024 778th msbranicky 793 54 10ms 23 Aug 2023 778th Code-Coder-coder 793 54 10ms 12 Oct 2025 780th Ripick 793 148 271ms 16 Feb 2023 781st MeWhenI 🇻🇦 790 45 28ms 16 Apr 2023 782nd Shanethegamer 🇺🇸 787 92 331ms 29 Jan 2022 782nd dokutan 787 92 344ms 24 Mar 2025 784th Yewzir 🇧🇪 786 39 45ms 7 May 2024 784th codereport 🇨🇦 786 39 35ms 21 Apr 2025 784th Chara-0x 786 39 34ms 18 Sep 2025 787th stefangimmillaro 786 86 2,974ms 4 Nov 2024 788th didion0 🇺🇸 785 50 9ms 16 Feb 2022 788th Natanaelel 🇸🇪 785 50 9ms 3 Jan 2024 788th weliveinhell 🇭🇹 785 50 8ms 11 Jan 2024 788th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 788th JOrE20 🇺🇸 785 50 9ms 22 days ago 793rd annaproxy 785 65 3ms 3 Oct 2022 794th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 794th Steffan153 🇫🇮 784 65 5ms 20 Dec 2023 796th KatieLG 🇬🇧 783 47 338ms 15 Jan 2024 796th Yewzir 🇧🇪 783 47 361ms 7 May 2024 798th KasperKivimaeki 🇫🇮 782 150 272ms 29 Sep 2025 799th stellartux 781 47 277ms 1 Jan 2024 800th jared-hughes 781 139 342ms 24 Sep 2025 801st stefangimmillaro 781 159 27ms 4 May 2023 802nd blaztoma 🇱🇹 779 39 186ms 13 days ago 803rd 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 803rd cuboids 779 55 10ms 10 Jul 2024 803rd jatloe 779 55 10ms 27 Sep 2024 803rd Emutis 🇱🇹 779 55 11ms 27 Oct 2024 807th hamhub7 779 93 337ms 3 Aug 2022 807th MeWhenI 🇻🇦 779 93 342ms 15 Oct 2022 809th MeWhenI 🇻🇦 778 23 39ms 25 Jul 2022 809th AlephSquirrel 778 23 44ms 31 Dec 2022 811th DialFrost 🇸🇬 777 68 5ms 7 Dec 2024 811th pardouin 🇫🇷 777 68 8ms 20 Mar 2025 813th KasperKivimaeki 🇫🇮 777 147 5ms 4 Jun 2025 814th kimbo 🇺🇸 777 151 261ms 25 Dec 2022 815th rak1507 🇬🇧 776 52 30ms 29 Jan 2022 816th Shanethegamer 🇺🇸 776 59 143ms 29 Jan 2022 816th Z-snails 776 59 145ms 28 Feb 2023 818th jared-hughes 774 307 22ms 8 Jul 2024 819th inventshah 773 22 2ms 8 May 2022 820th Natanaelel 🇸🇪 773 46 28ms 3 Jan 2024 821st KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 822nd Shanethegamer 🇺🇸 771 58 13ms 29 Jan 2022 823rd ovs-code 🇩🇪 771 82 99ms 14 Oct 2022 824th codingisgreatbutiamnot 769 51 8ms 25 Jul 2024 825th Yax42 🇫🇷 769 141 331ms 4 Oct 2025 First Prev 751–825 of 1,956 Next Last