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 793rd Mabeloid 🇳🇴 809 53 9ms 21 Sep 2024 793rd agreegious 809 53 12ms 14 Nov 2024 793rd 0dyse 809 53 10ms 29 Apr 2025 793rd piano-miles 809 53 10ms 9 May 2025 793rd poodletricea 809 53 10ms 9 Jan 2026 793rd TheSecondComing123 809 53 11ms 4 Feb 2026 807th tatzyr 🇯🇵 808 38 36ms 14 Nov 2024 807th madex 🇩🇪 808 38 37ms 7 days ago 809th dokutan 807 90 405ms 27 Feb 2026 810th MeWhenI 🇻🇦 806 227 309ms 29 Dec 2024 811th blaztoma 🇱🇹 805 57 120ms 22 Aug 2025 812th albanian-laundromat 🇺🇸 805 117 1,422ms 5 Oct 2025 813th kmathis22 805 135 452ms 23 Oct 2025 814th jerrandolph 805 146 344ms 23 Sep 2025 815th MeWhenI 🇻🇦 804 97 212ms 2 Jul 2023 816th JOrE20 802 46 442ms 23 Feb 2026 817th emplv 🇱🇻 802 79 112ms 20 Dec 2022 817th DialFrost 🇸🇬 802 79 128ms 23 Mar 2025 819th Feniske 🇫🇷 801 38 226ms 6 Nov 2023 819th Yewzir 🇧🇪 801 38 259ms 7 May 2024 821st albanian-laundromat 🇺🇸 800 44 1,239ms 25 Sep 2025 821st Yewzir 🇧🇪 800 44 1,057ms 15 Nov 2025 823rd j-Ewan 800 46 441ms 11 Feb 2022 823rd czylabsonasa 🇭🇺 800 46 263ms 14 Jun 2022 825th MeWhenI 🇻🇦 800 85 2,393ms 27 Oct 2024 826th Betuaredead 800 147 311ms 21 Jan 2023 827th dokutan 799 136 469ms 7 Nov 2025 828th error256 798 51 77ms 15 Jan 2025 829th Matgc04 798 91 382ms 17 Nov 2023 830th msbranicky 794 54 11ms 23 Aug 2023 830th Code-Coder-coder 794 54 10ms 12 Oct 2025 832nd Ripick 794 148 394ms 16 Feb 2023 833rd MeWhenI 🇻🇦 791 45 29ms 16 Apr 2023 834th dokutan 790 79 478ms 27 Feb 2026 835th stefangimmillaro 790 86 2,525ms 4 Nov 2024 836th Shanethegamer 🇺🇸 790 92 368ms 29 Jan 2022 837th xsot 🇸🇬 789 128 70ms 13 Jun 2025 838th Yewzir 🇧🇪 788 39 35ms 7 May 2024 838th codereport 🇨🇦 788 39 32ms 21 Apr 2025 838th Chara-0x 788 39 35ms 18 Sep 2025 838th dokutan 788 39 36ms 26 Feb 2026 842nd annaproxy 786 65 3ms 3 Oct 2022 842nd Shanethegamer 🇺🇸 786 65 6ms 19 Dec 2023 844th KatieLG 🇬🇧 785 47 409ms 15 Jan 2024 844th Yewzir 🇧🇪 785 47 460ms 7 May 2024 846th didion0 🇺🇸 785 50 9ms 16 Feb 2022 846th Natanaelel 🇸🇪 785 50 10ms 3 Jan 2024 846th weliveinhell 🇭🇹 785 50 10ms 11 Jan 2024 846th inverseLorentz 🇦🇺 785 50 9ms 1 Apr 2024 850th stellartux 783 47 337ms 1 Jan 2024 851st albanian-laundromat 🇺🇸 783 52 72ms 24 Dec 2025 852nd stefangimmillaro 783 159 33ms 4 May 2023 853rd jared-hughes 782 139 501ms 24 Sep 2025 854th hamhub7 781 93 377ms 3 Aug 2022 854th MeWhenI 🇻🇦 781 93 383ms 15 Oct 2022 856th KasperKivimaeki 🇫🇮 781 147 5ms 4 Jun 2025 857th blaztoma 🇱🇹 780 39 224ms 25 Nov 2025 858th 2011-Chan-Ethan 779 55 11ms 14 Jul 2023 858th cuboids 779 55 11ms 10 Jul 2024 858th jatloe 779 55 11ms 27 Sep 2024 858th Emutis 🇱🇹 779 55 12ms 27 Oct 2024 862nd DialFrost 🇸🇬 779 68 6ms 7 Dec 2024 862nd pardouin 🇫🇷 779 68 6ms 20 Mar 2025 864th kimbo 🇺🇸 779 151 315ms 25 Dec 2022 865th MeWhenI 🇻🇦 778 23 40ms 25 Jul 2022 865th AlephSquirrel 778 23 42ms 31 Dec 2022 867th rak1507 🇬🇧 777 52 31ms 29 Jan 2022 868th Shanethegamer 🇺🇸 777 59 122ms 29 Jan 2022 868th Z-snails 777 59 129ms 28 Feb 2023 870th jared-hughes 776 307 20ms 8 Jul 2024 871st KatieLG 🇬🇧 775 64 1,294ms 16 Oct 2022 872nd primo-ppcg 🇹🇭 775 332 66ms 25 Jun 2022 873rd Natanaelel 🇸🇪 774 46 28ms 3 Jan 2024 874th inventshah 773 22 2ms 8 May 2022 875th Shanethegamer 🇺🇸 773 58 14ms 29 Jan 2022 876th ovs-code 🇩🇪 773 82 113ms 14 Oct 2022 877th flekAI 773 94 408ms 57 mins ago 878th Yax42 🇫🇷 771 141 474ms 4 Oct 2025 879th codingisgreatbutiamnot 770 51 9ms 25 Jul 2024 880th flekAI 768 40 38ms 2 hours ago First Prev 801–880 of 2,138 Next Last