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 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 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 ArkScript 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 ArkScript 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 Calendar 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 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 798th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 798th JOrE20 🇺🇸 785 50 10ms 15 Nov 2025 803rd annaproxy 785 65 3ms 3 Oct 2022 804th KatieLG 🇬🇧 784 47 338ms 15 Jan 2024 804th Yewzir 🇧🇪 784 47 381ms 7 May 2024 806th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 806th Steffan153 🇫🇮 784 65 5ms 20 Dec 2023 808th stellartux 781 47 335ms 1 Jan 2024 809th albanian-laundromat 781 52 79ms 20 days ago 810th jared-hughes 781 139 430ms 24 Sep 2025 811th stefangimmillaro 781 159 33ms 4 May 2023 812th hamhub7 780 93 377ms 3 Aug 2022 812th MeWhenI 🇻🇦 780 93 399ms 15 Oct 2022 814th blaztoma 🇱🇹 779 39 235ms 25 Nov 2025 815th 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 815th cuboids 779 55 10ms 10 Jul 2024 815th jatloe 779 55 10ms 27 Sep 2024 815th Emutis 🇱🇹 779 55 11ms 27 Oct 2024 819th KasperKivimaeki 🇫🇮 779 147 5ms 4 Jun 2025 820th MeWhenI 🇻🇦 778 23 41ms 25 Jul 2022 820th AlephSquirrel 778 23 40ms 31 Dec 2022 822nd DialFrost 🇸🇬 778 68 6ms 7 Dec 2024 822nd pardouin 🇫🇷 778 68 5ms 20 Mar 2025 824th kimbo 🇺🇸 777 151 280ms 25 Dec 2022 825th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 826th Shanethegamer 🇺🇸 776 59 122ms 29 Jan 2022 826th Z-snails 776 59 129ms 28 Feb 2023 828th jared-hughes 774 307 22ms 8 Jul 2024 829th inventshah 773 22 2ms 8 May 2022 830th Natanaelel 🇸🇪 773 46 28ms 3 Jan 2024 831st KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 832nd Shanethegamer 🇺🇸 771 58 13ms 29 Jan 2022 833rd ovs-code 🇩🇪 771 82 125ms 14 Oct 2022 834th codingisgreatbutiamnot 769 51 11ms 25 Jul 2024 835th Yax42 🇫🇷 769 141 422ms 4 Oct 2025 836th albanian-laundromat 767 48 402ms 7 Oct 2025 837th dokutan 767 153 288ms 24 Mar 2025 838th MeWhenI 🇻🇦 765 48 348ms 15 Feb 2023 839th petroselo 765 56 9ms 12 Apr 2022 839th SB-945 765 56 9ms 10 Jul 2023 839th JunkIce 765 56 10ms 24 Nov 2024 839th kevinnaviapaiva 765 56 9ms 19 Dec 2024 839th wobblybits 765 56 10ms 19 Aug 2025 844th brimstonetrader 763 60 125ms 10 Jan 2024 844th YAJUE114514 763 60 147ms 23 Jul 2025 846th Yewzir 🇧🇪 763 102 169ms 7 May 2024 847th LeeCamp 762 27 35ms 10 Feb 2022 848th snoozingnewt 🇨🇦 762 154 274ms 29 Oct 2025 849th pardouin 🇫🇷 760 51 62ms 13 Sep 2024 850th DialFrost 🇸🇬 757 164 115ms 15 Dec 2025 851st SirFireball3521 754 52 9ms 3 Nov 2022 851st albanian-laundromat 754 52 9ms 24 Nov 2025 853rd namelessiw 752 49 353ms 19 Aug 2024 854th PrathamMehta08 752 57 11ms 6 Dec 2023 854th Terobero 752 57 12ms 21 Aug 2024 854th AtengChen 752 57 10ms 7 Sep 2024 854th Mick-Travis 752 57 11ms 8 Dec 2024 858th pardouin 🇫🇷 752 84 124ms 8 Mar 2025 859th MeWhenI 🇻🇦 752 156 266ms 10 Feb 2023 860th Jeremy-Stafford 751 61 124ms 28 Feb 2023 860th inverseLorentz 🇦🇺 751 61 124ms 23 Apr 2024 862nd dokutan 750 68 3ms 17 days ago 863rd dokutan 750 83 455ms 22 Sep 2025 864th pardouin 🇫🇷 749 68 5ms 26 Apr 2025 865th MeWhenI 🇻🇦 749 219 110ms 16 Aug 2024 866th dokutan 748 41 37ms 18 Mar 2025 867th Alex-x90 🇺🇸 747 147 512ms 6 May 2024 868th ovs-code 🇩🇪 746 161 140ms 21 Apr 2025 869th snoozingnewt 🇨🇦 745 47 701ms 21 Nov 2025 870th MeWhenI 🇻🇦 745 60 11ms 29 Jan 2022 871st Shanethegamer 🇺🇸 744 85 125ms 14 Oct 2022 871st edsrzf 🇳🇿 744 85 126ms 30 Apr 2025 873rd DialFrost 🇸🇬 744 150 13ms 15 Dec 2025 874th Steffan153 🇫🇮 742 68 41ms 29 Aug 2024 875th snoozingnewt 🇨🇦 741 48 27ms 3 Dec 2025 876th nipzu 741 162 135ms 2 Apr 2024 877th jbjd 739 58 10ms 25 Feb 2024 878th dokutan 739 67 930ms 18 Mar 2025 879th Steffan153 🇫🇮 738 29 116ms 14 Nov 2022 879th ovs-code 🇩🇪 738 29 119ms 29 Dec 2023 First Prev 801–880 of 1,987 Next Last