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 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 Gray Code Decoder Gray Code Encoder 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 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 801st albanian-laundromat 803 117 1,438ms 5 Oct 2025 802nd MeWhenI 🇻🇦 802 227 309ms 29 Dec 2024 803rd JOrE20 801 46 360ms 20 days ago 804th Feniske 🇫🇷 800 38 244ms 6 Nov 2023 804th Yewzir 🇧🇪 800 38 260ms 7 May 2024 806th emplv 🇱🇻 800 79 115ms 20 Dec 2022 806th DialFrost 🇸🇬 800 79 114ms 23 Mar 2025 808th j-Ewan 799 46 481ms 11 Feb 2022 808th czylabsonasa 🇭🇺 799 46 266ms 14 Jun 2022 808th denkyuu1 799 46 239ms 26 days ago 811th albanian-laundromat 798 44 1,034ms 25 Sep 2025 811th Yewzir 🇧🇪 798 44 998ms 15 Nov 2025 813th dokutan 798 136 469ms 7 Nov 2025 814th Betuaredead 798 147 289ms 21 Jan 2023 815th error256 797 51 77ms 15 Jan 2025 816th MeWhenI 🇻🇦 797 85 2,273ms 27 Oct 2024 817th Matgc04 797 91 401ms 17 Nov 2023 818th msbranicky 794 54 10ms 23 Aug 2023 818th Code-Coder-coder 794 54 10ms 12 Oct 2025 820th Ripick 793 148 286ms 16 Feb 2023 821st MeWhenI 🇻🇦 790 45 29ms 16 Apr 2023 822nd Shanethegamer 🇺🇸 789 92 408ms 29 Jan 2022 823rd dokutan 788 79 478ms 16 days ago 824th Yewzir 🇧🇪 787 39 36ms 7 May 2024 824th codereport 🇨🇦 787 39 36ms 21 Apr 2025 824th Chara-0x 787 39 34ms 18 Sep 2025 824th dokutan 787 39 35ms 16 days ago 828th stefangimmillaro 787 86 2,133ms 4 Nov 2024 829th xsot 🇸🇬 787 128 70ms 13 Jun 2025 830th didion0 🇺🇸 785 50 10ms 16 Feb 2022 830th Natanaelel 🇸🇪 785 50 10ms 3 Jan 2024 830th weliveinhell 🇭🇹 785 50 10ms 11 Jan 2024 830th inverseLorentz 🇦🇺 785 50 12ms 1 Apr 2024 834th annaproxy 785 65 3ms 3 Oct 2022 834th Shanethegamer 🇺🇸 785 65 5ms 19 Dec 2023 836th KatieLG 🇬🇧 784 47 437ms 15 Jan 2024 836th Yewzir 🇧🇪 784 47 347ms 7 May 2024 838th stellartux 782 47 289ms 1 Jan 2024 839th albanian-laundromat 781 52 72ms 24 Dec 2025 840th jared-hughes 781 139 501ms 24 Sep 2025 841st stefangimmillaro 781 159 34ms 4 May 2023 842nd blaztoma 🇱🇹 780 39 263ms 25 Nov 2025 843rd hamhub7 780 93 377ms 3 Aug 2022 843rd MeWhenI 🇻🇦 780 93 383ms 15 Oct 2022 845th 2011-Chan-Ethan 779 55 10ms 14 Jul 2023 845th cuboids 779 55 10ms 10 Jul 2024 845th jatloe 779 55 11ms 27 Sep 2024 845th Emutis 🇱🇹 779 55 11ms 27 Oct 2024 849th KasperKivimaeki 🇫🇮 779 147 5ms 4 Jun 2025 850th MeWhenI 🇻🇦 778 23 38ms 25 Jul 2022 850th AlephSquirrel 778 23 39ms 31 Dec 2022 852nd DialFrost 🇸🇬 778 68 5ms 7 Dec 2024 852nd pardouin 🇫🇷 778 68 5ms 20 Mar 2025 854th Shanethegamer 🇺🇸 777 59 122ms 29 Jan 2022 854th Z-snails 777 59 129ms 28 Feb 2023 856th kimbo 🇺🇸 777 151 276ms 25 Dec 2022 857th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 858th jared-hughes 774 307 21ms 8 Jul 2024 859th inventshah 773 22 2ms 8 May 2022 860th Natanaelel 🇸🇪 773 46 30ms 3 Jan 2024 861st KatieLG 🇬🇧 773 64 1,294ms 16 Oct 2022 862nd Shanethegamer 🇺🇸 772 58 13ms 29 Jan 2022 863rd primo-ppcg 🇹🇭 772 332 66ms 25 Jun 2022 864th ovs-code 🇩🇪 771 82 117ms 14 Oct 2022 865th codingisgreatbutiamnot 769 51 9ms 25 Jul 2024 866th Yax42 🇫🇷 769 141 504ms 4 Oct 2025 867th albanian-laundromat 768 48 442ms 7 Oct 2025 868th dokutan 767 153 301ms 24 Mar 2025 869th MeWhenI 🇻🇦 766 48 339ms 15 Feb 2023 870th petroselo 765 56 9ms 12 Apr 2022 870th SB-945 765 56 10ms 10 Jul 2023 870th JunkIce 765 56 10ms 24 Nov 2024 870th kevinnaviapaiva 765 56 10ms 19 Dec 2024 870th wobblybits 765 56 10ms 19 Aug 2025 875th brimstonetrader 764 60 125ms 10 Jan 2024 875th YAJUE114514 764 60 138ms 23 Jul 2025 877th Yewzir 🇧🇪 763 102 217ms 7 May 2024 878th primo-ppcg 🇹🇭 763 132 3ms 14 Nov 2022 879th LeeCamp 762 27 33ms 10 Feb 2022 880th snoozingnewt 🇨🇦 762 154 306ms 29 Oct 2025 First Prev 801–880 of 2,041 Next Last