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 799th weliveinhell 🇭🇹 785 50 10ms 11 Jan 2024 799th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 799th JOrE20 🇺🇸 785 50 10ms 15 Nov 2025 804th annaproxy 785 65 3ms 3 Oct 2022 805th KatieLG 🇬🇧 784 47 338ms 15 Jan 2024 805th Yewzir 🇧🇪 784 47 381ms 7 May 2024 807th Shanethegamer 🇺🇸 784 65 6ms 19 Dec 2023 807th Steffan153 🇫🇮 784 65 5ms 20 Dec 2023 809th stellartux 781 47 335ms 1 Jan 2024 810th albanian-laundromat 781 52 79ms 21 days ago 811th jared-hughes 781 139 430ms 24 Sep 2025 812th stefangimmillaro 781 159 33ms 4 May 2023 813th hamhub7 780 93 377ms 3 Aug 2022 813th MeWhenI 🇻🇦 780 93 399ms 15 Oct 2022 815th blaztoma 🇱🇹 779 39 235ms 25 Nov 2025 816th 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 816th cuboids 779 55 10ms 10 Jul 2024 816th jatloe 779 55 10ms 27 Sep 2024 816th Emutis 🇱🇹 779 55 11ms 27 Oct 2024 820th KasperKivimaeki 🇫🇮 779 147 5ms 4 Jun 2025 821st MeWhenI 🇻🇦 778 23 41ms 25 Jul 2022 821st AlephSquirrel 778 23 40ms 31 Dec 2022 823rd DialFrost 🇸🇬 778 68 6ms 7 Dec 2024 823rd pardouin 🇫🇷 778 68 5ms 20 Mar 2025 825th kimbo 🇺🇸 777 151 280ms 25 Dec 2022 826th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 827th Shanethegamer 🇺🇸 776 59 122ms 29 Jan 2022 827th Z-snails 776 59 129ms 28 Feb 2023 829th jared-hughes 774 307 22ms 8 Jul 2024 830th inventshah 773 22 2ms 8 May 2022 831st Natanaelel 🇸🇪 773 46 28ms 3 Jan 2024 832nd KatieLG 🇬🇧 773 64 956ms 16 Oct 2022 833rd Shanethegamer 🇺🇸 771 58 13ms 29 Jan 2022 834th ovs-code 🇩🇪 771 82 125ms 14 Oct 2022 835th codingisgreatbutiamnot 769 51 11ms 25 Jul 2024 836th Yax42 🇫🇷 769 141 422ms 4 Oct 2025 837th albanian-laundromat 767 48 402ms 7 Oct 2025 838th dokutan 767 153 288ms 24 Mar 2025 839th MeWhenI 🇻🇦 765 48 348ms 15 Feb 2023 840th petroselo 765 56 9ms 12 Apr 2022 840th SB-945 765 56 9ms 10 Jul 2023 840th JunkIce 765 56 10ms 24 Nov 2024 840th kevinnaviapaiva 765 56 9ms 19 Dec 2024 840th wobblybits 765 56 10ms 19 Aug 2025 845th brimstonetrader 763 60 125ms 10 Jan 2024 845th YAJUE114514 763 60 147ms 23 Jul 2025 847th Yewzir 🇧🇪 763 102 169ms 7 May 2024 848th LeeCamp 762 27 35ms 10 Feb 2022 849th snoozingnewt 🇨🇦 762 154 274ms 29 Oct 2025 850th pardouin 🇫🇷 760 51 62ms 13 Sep 2024 851st DialFrost 🇸🇬 757 164 115ms 15 Dec 2025 852nd SirFireball3521 754 52 9ms 3 Nov 2022 852nd albanian-laundromat 754 52 9ms 24 Nov 2025 854th namelessiw 752 49 353ms 19 Aug 2024 855th PrathamMehta08 752 57 11ms 6 Dec 2023 855th Terobero 752 57 12ms 21 Aug 2024 855th AtengChen 752 57 10ms 7 Sep 2024 855th Mick-Travis 752 57 11ms 8 Dec 2024 859th pardouin 🇫🇷 752 84 124ms 8 Mar 2025 860th MeWhenI 🇻🇦 752 156 266ms 10 Feb 2023 861st Jeremy-Stafford 751 61 124ms 28 Feb 2023 861st inverseLorentz 🇦🇺 751 61 124ms 23 Apr 2024 863rd dokutan 750 68 3ms 18 days ago 864th dokutan 750 83 455ms 22 Sep 2025 865th pardouin 🇫🇷 749 68 5ms 26 Apr 2025 866th MeWhenI 🇻🇦 749 219 110ms 16 Aug 2024 867th dokutan 748 41 37ms 18 Mar 2025 868th Alex-x90 🇺🇸 747 147 512ms 6 May 2024 869th ovs-code 🇩🇪 746 161 140ms 21 Apr 2025 870th snoozingnewt 🇨🇦 745 47 701ms 21 Nov 2025 871st MeWhenI 🇻🇦 745 60 11ms 29 Jan 2022 872nd Shanethegamer 🇺🇸 744 85 125ms 14 Oct 2022 872nd edsrzf 🇳🇿 744 85 126ms 30 Apr 2025 874th DialFrost 🇸🇬 744 150 13ms 15 Dec 2025 875th Steffan153 🇫🇮 742 68 41ms 29 Aug 2024 876th snoozingnewt 🇨🇦 741 48 27ms 3 Dec 2025 877th nipzu 741 162 135ms 2 Apr 2024 878th jbjd 739 58 10ms 25 Feb 2024 879th dokutan 739 67 930ms 18 Mar 2025 880th Steffan153 🇫🇮 738 29 116ms 14 Nov 2022 First Prev 801–880 of 1,988 Next Last