Catalan Numbers in all languages in bytes. 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 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 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 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 ><> 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 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 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 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 Bytes Time Submitted 801st Feniske 🇫🇷 800 38 237ms 6 Nov 2023 801st Yewzir 🇧🇪 800 38 250ms 7 May 2024 803rd emplv 🇱🇻 800 79 113ms 20 Dec 2022 803rd DialFrost 🇸🇬 800 79 123ms 23 Mar 2025 805th albanian-laundromat 798 44 1,034ms 25 Sep 2025 805th Yewzir 🇧🇪 798 44 998ms 15 Nov 2025 807th dokutan 798 136 469ms 7 Nov 2025 808th Betuaredead 798 147 283ms 21 Jan 2023 809th error256 797 51 71ms 15 Jan 2025 810th Matgc04 797 91 423ms 17 Nov 2023 811th MeWhenI 🇻🇦 795 85 2,273ms 27 Oct 2024 812th msbranicky 794 54 10ms 23 Aug 2023 812th Code-Coder-coder 794 54 10ms 12 Oct 2025 814th Ripick 793 148 304ms 16 Feb 2023 815th nipzu 790 98 49ms 4 Feb 2022 816th HumanoidCPU 790 3,081 7ms 18 Aug 2025 817th namelessiw 789 49 449ms 19 Aug 2024 818th Shanethegamer 🇺🇸 789 92 399ms 29 Jan 2022 818th dokutan 789 92 388ms 24 Mar 2025 820th SniperSmiley 🇺🇸 787 25 40ms 4 Sep 2022 820th CornerMercury 🇬🇧 787 25 41ms 24 Aug 2023 822nd Yewzir 🇧🇪 787 39 36ms 7 May 2024 822nd codereport 🇨🇦 787 39 36ms 21 Apr 2025 822nd Chara-0x 787 39 34ms 18 Sep 2025 825th xsot 🇸🇬 787 128 69ms 13 Jun 2025 826th stefangimmillaro 786 86 2,133ms 4 Nov 2024 827th didion0 🇺🇸 785 50 9ms 16 Feb 2022 827th Natanaelel 🇸🇪 785 50 12ms 3 Jan 2024 827th weliveinhell 🇭🇹 785 50 12ms 11 Jan 2024 827th inverseLorentz 🇦🇺 785 50 10ms 1 Apr 2024 831st annaproxy 785 65 3ms 3 Oct 2022 831st Shanethegamer 🇺🇸 785 65 6ms 19 Dec 2023 833rd stellartux 784 48 289ms 1 Jan 2024 834th albanian-laundromat 781 52 79ms 24 Dec 2025 835th jared-hughes 781 139 501ms 24 Sep 2025 836th stefangimmillaro 781 159 29ms 4 May 2023 837th blaztoma 🇱🇹 780 39 254ms 25 Nov 2025 838th hamhub7 780 93 388ms 3 Aug 2022 838th MeWhenI 🇻🇦 780 93 415ms 15 Oct 2022 840th ZakkkkAttackkkk 🇵🇭 779 55 10ms 30 Jan 2022 840th Emutis 🇱🇹 779 55 11ms 27 Oct 2024 842nd primo-ppcg 🇹🇭 779 332 66ms 25 Jun 2022 843rd DialFrost 🇸🇬 778 68 5ms 7 Dec 2024 843rd pardouin 🇫🇷 778 68 5ms 20 Mar 2025 845th Shanethegamer 🇺🇸 777 59 122ms 29 Jan 2022 845th Z-snails 777 59 129ms 28 Feb 2023 847th kimbo 🇺🇸 777 151 290ms 25 Dec 2022 848th rak1507 🇬🇧 776 52 31ms 29 Jan 2022 849th jared-hughes 774 307 21ms 8 Jul 2024 850th inventshah 773 22 2ms 8 May 2022 851st CheeseCake628 🇳🇴 773 50 498ms 18 Oct 2025 852nd KatieLG 🇬🇧 773 64 1,294ms 16 Oct 2022 853rd Shanethegamer 🇺🇸 771 58 13ms 29 Jan 2022 854th ovs-code 🇩🇪 771 82 112ms 14 Oct 2022 855th codingisgreatbutiamnot 769 51 9ms 25 Jul 2024 856th Yax42 🇫🇷 769 141 504ms 4 Oct 2025 857th MeWhenI 🇻🇦 768 49 339ms 15 Feb 2023 858th dokutan 767 153 301ms 24 Mar 2025 859th petroselo 765 56 9ms 12 Apr 2022 859th HumanoidCPU 765 56 17ms 27 May 2024 859th kevinnaviapaiva 765 56 10ms 19 Dec 2024 859th wobblybits 765 56 10ms 19 Aug 2025 863rd brimstonetrader 764 60 125ms 10 Jan 2024 863rd YAJUE114514 764 60 138ms 23 Jul 2025 865th Yewzir 🇧🇪 763 102 152ms 7 May 2024 866th primo-ppcg 🇹🇭 763 132 2ms 14 Nov 2022 867th LeeCamp 762 27 33ms 10 Feb 2022 868th snoozingnewt 🇨🇦 762 154 295ms 29 Oct 2025 869th pardouin 🇫🇷 760 51 62ms 13 Sep 2024 870th Stockoh 🇫🇷 758 51 404ms 23 Jun 2024 871st DialFrost 🇸🇬 757 164 118ms 15 Dec 2025 872nd SirBogman 🇺🇸 756 26 40ms 10 Sep 2022 872nd Herbert00709 🇵🇱 756 26 40ms 21 Feb 2024 874th SirFireball3521 754 52 10ms 3 Nov 2022 874th albanian-laundromat 754 52 10ms 24 Nov 2025 876th ovs-code 🇩🇪 752 32 126ms 29 Dec 2023 876th Steffan153 🇫🇮 752 32 97ms 11 Mar 2024 878th iczelia 🇩🇪 752 52 27ms 14 Oct 2025 879th Terobero 752 57 11ms 21 Aug 2024 879th Mick-Travis 752 57 12ms 8 Dec 2024 First Prev 801–880 of 2,031 Next Last