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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 790th piano-miles 809 53 10ms 9 May 2025 790th poodletricea 809 53 10ms 9 Jan 2026 790th TheSecondComing123 809 53 11ms 4 Feb 2026 804th tatzyr 🇯🇵 808 38 36ms 14 Nov 2024 804th madex 🇩🇪 808 38 37ms 9 days ago 806th dokutan 807 90 405ms 27 Feb 2026 807th MeWhenI 🇻🇦 806 227 309ms 29 Dec 2024 808th blaztoma 🇱🇹 805 57 120ms 22 Aug 2025 809th albanian-laundromat 🇺🇸 805 117 1,451ms 5 Oct 2025 810th kmathis22 805 135 452ms 23 Oct 2025 811th jerrandolph 805 146 344ms 23 Sep 2025 812th MeWhenI 🇻🇦 804 97 212ms 2 Jul 2023 813th JOrE20 802 46 442ms 23 Feb 2026 814th emplv 🇱🇻 802 79 112ms 20 Dec 2022 814th DialFrost 🇸🇬 802 79 128ms 23 Mar 2025 816th Feniske 🇫🇷 801 38 226ms 6 Nov 2023 816th Yewzir 🇧🇪 801 38 259ms 7 May 2024 818th albanian-laundromat 🇺🇸 800 44 1,239ms 25 Sep 2025 818th Yewzir 🇧🇪 800 44 1,057ms 15 Nov 2025 820th j-Ewan 800 46 441ms 11 Feb 2022 820th czylabsonasa 🇭🇺 800 46 263ms 14 Jun 2022 822nd madex 🇩🇪 800 62 1,354ms 25 hours ago 823rd MeWhenI 🇻🇦 800 85 2,393ms 27 Oct 2024 824th Betuaredead 800 147 311ms 21 Jan 2023 825th error256 799 51 77ms 15 Jan 2025 826th dokutan 799 136 469ms 7 Nov 2025 827th Matgc04 798 91 382ms 17 Nov 2023 828th msbranicky 794 54 11ms 23 Aug 2023 828th Code-Coder-coder 794 54 10ms 12 Oct 2025 830th Ripick 794 148 394ms 16 Feb 2023 831st MeWhenI 🇻🇦 791 45 29ms 16 Apr 2023 832nd dokutan 790 79 478ms 27 Feb 2026 833rd stefangimmillaro 790 86 2,525ms 4 Nov 2024 834th Shanethegamer 🇺🇸 790 92 368ms 29 Jan 2022 835th xsot 🇸🇬 789 128 70ms 13 Jun 2025 836th Yewzir 🇧🇪 788 39 35ms 7 May 2024 836th codereport 🇨🇦 788 39 32ms 21 Apr 2025 836th Chara-0x 788 39 35ms 18 Sep 2025 836th dokutan 788 39 36ms 26 Feb 2026 840th annaproxy 786 65 3ms 3 Oct 2022 840th Shanethegamer 🇺🇸 786 65 6ms 19 Dec 2023 842nd KatieLG 🇬🇧 785 47 409ms 15 Jan 2024 842nd Yewzir 🇧🇪 785 47 460ms 7 May 2024 844th didion0 🇺🇸 785 50 9ms 16 Feb 2022 844th Natanaelel 🇸🇪 785 50 10ms 3 Jan 2024 844th weliveinhell 🇭🇹 785 50 10ms 11 Jan 2024 844th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 848th albanian-laundromat 🇺🇸 784 52 72ms 24 Dec 2025 849th stellartux 783 47 337ms 1 Jan 2024 850th stefangimmillaro 783 159 33ms 4 May 2023 851st jared-hughes 782 139 501ms 24 Sep 2025 852nd KasperKivimaeki 🇫🇮 782 147 5ms 4 Jun 2025 853rd blaztoma 🇱🇹 781 39 224ms 25 Nov 2025 854th hamhub7 781 93 377ms 3 Aug 2022 854th MeWhenI 🇻🇦 781 93 383ms 15 Oct 2022 856th 2011-Chan-Ethan 779 55 11ms 14 Jul 2023 856th cuboids 779 55 11ms 10 Jul 2024 856th jatloe 779 55 11ms 27 Sep 2024 856th Emutis 🇱🇹 779 55 12ms 27 Oct 2024 860th DialFrost 🇸🇬 779 68 6ms 7 Dec 2024 860th pardouin 🇫🇷 779 68 6ms 20 Mar 2025 862nd kimbo 🇺🇸 779 151 315ms 25 Dec 2022 863rd MeWhenI 🇻🇦 778 23 40ms 25 Jul 2022 863rd AlephSquirrel 778 23 42ms 31 Dec 2022 865th rak1507 🇬🇧 777 52 31ms 29 Jan 2022 866th Shanethegamer 🇺🇸 777 59 122ms 29 Jan 2022 866th Z-snails 777 59 129ms 28 Feb 2023 868th jared-hughes 776 307 20ms 8 Jul 2024 869th KatieLG 🇬🇧 775 64 1,294ms 16 Oct 2022 870th primo-ppcg 🇹🇭 775 332 66ms 25 Jun 2022 871st Natanaelel 🇸🇪 774 46 28ms 3 Jan 2024 872nd inventshah 773 22 2ms 8 May 2022 873rd Shanethegamer 🇺🇸 773 58 14ms 29 Jan 2022 874th ovs-code 🇩🇪 773 82 113ms 14 Oct 2022 875th flekAI 773 94 408ms 2 days ago 876th Yax42 🇫🇷 771 141 474ms 4 Oct 2025 877th codingisgreatbutiamnot 770 51 9ms 25 Jul 2024 878th flekAI 768 40 38ms 2 days ago 879th albanian-laundromat 🇺🇸 768 48 378ms 7 Oct 2025 880th dokutan 768 153 313ms 24 Mar 2025 First Prev 801–880 of 2,136 Next Last