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 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 Calendar 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 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 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 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 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 Calendar 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 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 524th GrayJoKing 🇦🇺 879 58 3ms 18 Oct 2023 524th xsot 🇸🇬 879 58 4ms 8 Feb 2024 524th sean-niemann 🇺🇸 879 58 3ms 13 Mar 2025 524th pardouin 🇫🇷 879 58 3ms 13 Mar 2025 530th Shanethegamer 🇺🇸 878 107 470ms 27 Mar 2025 530th pardouin 🇫🇷 878 107 465ms 28 Mar 2025 530th emgordon154 878 107 451ms 28 Mar 2025 530th MeWhenI 🇻🇦 878 107 506ms 28 Mar 2025 530th DialFrost 🇸🇬 878 107 453ms 28 Mar 2025 530th GolfingSuccess 🇬🇷 878 107 397ms 17 hours ago 536th saito-ta 🇯🇵 878 131 109ms 20 Nov 2023 537th Bubbler-4 877 46 24ms 11 Feb 2022 537th kgolf 877 46 23ms 14 Feb 2022 539th GrayJoKing 🇦🇺 877 136 6ms 10 Apr 2022 540th Yewzir 🇧🇪 876 134 265ms 28 Oct 2023 541st GolfingSuccess 🇬🇷 875 40 662ms 29 Aug 2025 542nd Lydxn 🇨🇦 875 89 149ms 4 Apr 2022 543rd JayXon 🇺🇸 875 141 140ms 4 Apr 2025 544th janbehrens 🇩🇪 874 42 339ms 29 Jan 2022 544th MarcMush 🇫🇷 874 42 303ms 9 Feb 2022 546th LHuitre 874 49 9ms 1 Jun 2022 546th glesnick 874 49 10ms 14 Jul 2022 546th nstearns96 🇬🇧 874 49 11ms 29 Nov 2022 546th fkantelberg 874 49 11ms 6 Aug 2023 546th ei14 874 49 10ms 7 May 2024 546th gallium-gonzollium 874 49 11ms 25 Aug 2024 546th lelbal 874 49 9ms 17 Sep 2024 546th snydej 874 49 9ms 27 Nov 2024 546th StefanHabel 🇨🇦 874 49 9ms 8 Mar 2025 546th bltnppcnt 874 49 11ms 10 Apr 2025 546th michelebastione 🇮🇹 874 49 10ms 8 Aug 2025 546th Chara-0x 874 49 10ms 18 Sep 2025 546th Europe2048 874 49 14ms 18 Oct 2025 546th QuincyNash 🇺🇸 874 49 10ms 7 days ago 560th michelebastione 🇮🇹 872 83 348ms 13 Aug 2025 561st Steffan153 🇫🇮 871 126 401ms 5 May 2024 562nd sisyphus-ppcg 🇦🇺 871 137 4ms 7 Apr 2022 563rd albanian-laundromat 870 190 9ms 10 days ago 564th xsot 🇸🇬 869 128 88ms 13 Jun 2025 565th JayXon 🇺🇸 869 129 1,547ms 14 Sep 2025 566th JayXon 🇺🇸 868 35 217ms 29 Jan 2022 566th stefangimmillaro 868 35 224ms 6 Nov 2023 568th anter69 🇭🇺 868 57 921ms 23 Feb 2023 569th canissimia 🇦🇶 868 150 4,038ms 5 Jun 2023 570th HPWiz 🇳🇿 866 146 1,129ms 12 Oct 2023 571st ovs-code 🇩🇪 865 135 555ms 30 Sep 2024 572nd ovs-code 🇩🇪 865 244 85ms 10 Jan 2023 572nd GrayJoKing 🇦🇺 865 244 38ms 11 Jan 2023 574th Steffan153 🇫🇮 864 47 76ms 10 Dec 2022 575th jtaxen 864 53 148ms 16 Jul 2024 576th MeWhenI 🇻🇦 864 59 3ms 1 Oct 2022 576th DialFrost 🇸🇬 864 59 3ms 11 Feb 2023 576th edsrzf 🇳🇿 864 59 3ms 28 Aug 2025 579th ovs-code 🇩🇪 864 72 471ms 27 Feb 2022 579th GrayJoKing 🇦🇺 864 72 470ms 28 Feb 2022 579th Steffan153 🇫🇮 864 72 492ms 11 Feb 2023 582nd inventshah 864 127 399ms 5 May 2024 583rd MeWhenI 🇻🇦 863 49 125ms 3 Aug 2024 583rd fuzzylojik-golf 🇺🇸 863 49 121ms 31 Jul 2025 583rd snoozingnewt 🇨🇦 863 49 128ms 3 days ago 586th kg583 🇺🇸 863 59 6ms 12 days ago 587th stefangimmillaro 863 136 284ms 9 Sep 2023 587th cduerm 863 136 273ms 19 Sep 2025 587th sean-niemann 🇺🇸 863 136 278ms 21 Sep 2025 590th GrayJoKing 🇦🇺 863 181 128ms 8 May 2022 591st ovs-code 🇩🇪 861 139 544ms 18 Dec 2022 592nd ovs-code 🇩🇪 861 276 17ms 8 Jul 2024 593rd stefangimmillaro 859 191 109ms 3 May 2023 594th primo-ppcg 🇹🇭 859 348 12ms 13 Aug 2025 595th m-tkach 🇺🇦 858 372 102ms 20 Jun 2025 596th jrm5399 🇰🇿 857 50 9ms 30 Jan 2022 596th Freddiechang 857 50 10ms 8 Mar 2024 598th sean-niemann 🇺🇸 857 128 399ms 4 May 2024 599th 386asm 🇺🇸 857 175 46ms 4 May 2023 600th rucin93 🇵🇱 857 228 315ms 17 days ago First Prev 526–600 of 1,955 Next Last