Catalan Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 525th ovs-code 🇩🇪 880 49 131ms 3 Aug 2024 525th emgordon154 880 49 123ms 19 Sep 2024 525th fuzzylojik-golf 🇺🇸 880 49 121ms 31 Jul 2025 529th AdrienHache 🇫🇷 880 88 74ms 24 Nov 2024 530th ovs-code 🇩🇪 879 58 5ms 27 Nov 2022 530th Steffan153 🇫🇮 879 58 4ms 3 Feb 2023 530th GrayJoKing 🇦🇺 879 58 4ms 18 Oct 2023 530th xsot 🇸🇬 879 58 5ms 8 Feb 2024 530th sean-niemann 🇺🇸 879 58 4ms 13 Mar 2025 530th pardouin 🇫🇷 879 58 4ms 13 Mar 2025 536th Shanethegamer 🇺🇸 878 107 867ms 27 Mar 2025 536th pardouin 🇫🇷 878 107 813ms 28 Mar 2025 536th emgordon154 878 107 827ms 28 Mar 2025 536th MeWhenI 🇻🇦 878 107 832ms 28 Mar 2025 536th DialFrost 🇸🇬 878 107 987ms 28 Mar 2025 541st saito-ta 🇯🇵 878 131 85ms 20 Nov 2023 542nd neel11235813 877 44 404ms 15 Jan 2024 542nd rucin93 🇵🇱 877 44 359ms 19 Jan 2024 542nd SirBogman 🇺🇸 877 44 394ms 20 Jan 2024 542nd AlephSquirrel 877 44 406ms 21 Jan 2024 542nd dokutan 877 44 527ms 24 Mar 2025 547th Bubbler-4 877 46 23ms 11 Feb 2022 547th kgolf 877 46 23ms 14 Feb 2022 549th Yewzir 🇧🇪 876 134 266ms 28 Oct 2023 550th Lydxn 🇨🇦 875 89 149ms 4 Apr 2022 551st JayXon 🇺🇸 875 141 137ms 4 Apr 2025 552nd sisyphus-ppcg 🇦🇺 875 158 6ms 7 Oct 2023 553rd GolfingSuccess 🇬🇷 874 40 1,099ms 29 Aug 2025 553rd pardouin 🇫🇷 874 40 912ms 29 Aug 2025 555th primo-ppcg 🇹🇭 874 43 330ms 29 Jan 2022 555th janbehrens 🇩🇪 874 43 327ms 29 Jan 2022 555th MarcMush 🇫🇷 874 43 342ms 9 Feb 2022 558th LHuitre 874 49 11ms 1 Jun 2022 558th glesnick 874 49 10ms 14 Jul 2022 558th nstearns96 🇬🇧 874 49 16ms 29 Nov 2022 558th fkantelberg 874 49 12ms 6 Aug 2023 558th ei14 874 49 9ms 7 May 2024 558th gallium-gonzollium 874 49 12ms 25 Aug 2024 558th lelbal 874 49 11ms 17 Sep 2024 558th snydej 874 49 10ms 27 Nov 2024 558th StefanHabel 🇨🇦 874 49 14ms 8 Mar 2025 558th bltnppcnt 874 49 14ms 10 Apr 2025 558th michelebastione 🇮🇹 874 49 10ms 8 Aug 2025 558th Chara-0x 874 49 11ms 18 Sep 2025 558th Europe2048 874 49 9ms 20 days ago 571st michelebastione 🇮🇹 872 83 363ms 13 Aug 2025 572nd GrayJoKing 🇦🇺 871 36 5ms 31 Jan 2022 573rd Steffan153 🇫🇮 870 126 396ms 5 May 2024 574th xsot 🇸🇬 869 128 88ms 13 Jun 2025 575th JayXon 🇺🇸 868 35 253ms 29 Jan 2022 575th stefangimmillaro 868 35 196ms 6 Nov 2023 577th MeWhenI 🇻🇦 868 45 29ms 16 Apr 2023 578th anter69 🇭🇺 868 57 921ms 23 Feb 2023 579th canissimia 🇦🇶 868 150 4,684ms 5 Jun 2023 580th albanian-laundromat 868 221 9ms 19 Sep 2025 581st JayXon 🇺🇸 866 129 1,813ms 14 Sep 2025 582nd HPWiz 🇳🇿 866 146 1,129ms 12 Oct 2023 583rd ovs-code 🇩🇪 865 135 555ms 30 Sep 2024 584th ovs-code 🇩🇪 865 244 85ms 10 Jan 2023 584th GrayJoKing 🇦🇺 865 244 38ms 11 Jan 2023 586th jtaxen 864 53 148ms 16 Jul 2024 587th MeWhenI 🇻🇦 864 59 3ms 1 Oct 2022 587th DialFrost 🇸🇬 864 59 4ms 11 Feb 2023 587th edsrzf 🇳🇿 864 59 4ms 28 Aug 2025 590th ovs-code 🇩🇪 864 72 471ms 27 Feb 2022 590th GrayJoKing 🇦🇺 864 72 470ms 28 Feb 2022 590th Steffan153 🇫🇮 864 72 492ms 11 Feb 2023 593rd Steffan153 🇫🇮 863 47 294ms 10 Dec 2022 594th inventshah 863 127 404ms 5 May 2024 595th stefangimmillaro 863 136 262ms 9 Sep 2023 595th cduerm 863 136 259ms 19 Sep 2025 595th sean-niemann 🇺🇸 863 136 253ms 21 Sep 2025 598th GrayJoKing 🇦🇺 863 181 128ms 8 May 2022 599th ovs-code 🇩🇪 861 139 544ms 18 Dec 2022 600th rucin93 🇵🇱 860 229 440ms 24 Jun 2025 First Prev 526–600 of 1,936 Next Last