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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers 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 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 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 Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 299th Natanaelel 🇸🇪 924 26 87ms 3 Jan 2024 302nd MeWhenI 🇻🇦 923 34 6ms 15 Jul 2022 303rd primo-ppcg 🇹🇭 923 42 68ms 5 Apr 2025 304th edsrzf 🇳🇿 921 44 310ms 15 Jan 2025 304th JayXon 🇺🇸 921 44 312ms 15 Jan 2025 306th prplz 🇦🇺 920 33 220ms 31 Jan 2022 306th nwellnhof 🇩🇪 920 33 203ms 1 Feb 2022 306th bitsandbeyond 🇳🇱 920 33 197ms 16 days ago 309th sean-niemann 🇺🇸 918 38 928ms 21 Sep 2025 309th fuzzylojik-golf 🇺🇸 918 38 842ms 21 Sep 2025 311th zacjl 917 44 1,931ms 3 Dec 2024 311th 2bular 917 44 24ms 18 Jun 2025 313th Steffan153 🇫🇮 917 47 143ms 3 Aug 2024 313th DialFrost 🇸🇬 917 47 122ms 3 Aug 2024 313th rucin93 🇵🇱 917 47 165ms 3 Aug 2024 313th sean-niemann 🇺🇸 917 47 141ms 3 Aug 2024 313th JayXon 🇺🇸 917 47 139ms 6 Aug 2024 313th Lydxn 🇨🇦 917 47 149ms 6 Aug 2024 313th emplv 🇱🇻 917 47 143ms 29 Oct 2024 313th lukegustafson 🇺🇸 917 47 119ms 3 Apr 2025 321st Lydxn 🇨🇦 916 54 911ms 29 Jan 2022 321st JayXon 🇺🇸 916 54 951ms 29 Jan 2022 321st primo-ppcg 🇹🇭 916 54 976ms 29 Jan 2022 321st sisyphus-ppcg 🇦🇺 916 54 1,047ms 2 Feb 2022 321st MeWhenI 🇻🇦 916 54 993ms 13 Nov 2022 321st stefangimmillaro 916 54 949ms 9 Dec 2022 321st Steffan153 🇫🇮 916 54 995ms 11 Feb 2023 321st emgordon154 916 54 857ms 17 Nov 2024 321st DialFrost 🇸🇬 916 54 937ms 17 Nov 2024 321st sean-niemann 🇺🇸 916 54 1,003ms 30 Dec 2024 321st edsrzf 🇳🇿 916 54 968ms 15 Jan 2025 321st pardouin 🇫🇷 916 54 990ms 10 Apr 2025 321st fuzzylojik-golf 🇺🇸 916 54 1,008ms 8 Sep 2025 334th nwellnhof 🇩🇪 916 79 351ms 30 Jan 2022 334th JayXon 🇺🇸 916 79 380ms 30 Jan 2022 334th Lydxn 🇨🇦 916 79 374ms 31 Jan 2022 334th btnlq 916 79 382ms 11 Mar 2023 334th Yax42 🇫🇷 916 79 376ms 1 Aug 2025 334th AdrienHache 🇫🇷 916 79 373ms 14 Aug 2025 334th fuzzylojik-golf 🇺🇸 916 79 349ms 8 Sep 2025 334th sean-niemann 🇺🇸 916 79 332ms 21 Sep 2025 342nd itsh01 912 43 9ms 10 Feb 2022 342nd 051 🇸🇬 912 43 9ms 19 Aug 2022 342nd tayloia 🇬🇧 912 43 9ms 12 Jan 2023 342nd eranws 912 43 9ms 8 Feb 2024 342nd voytxt 🇨🇿 912 43 10ms 5 May 2024 342nd Yewzir 🇧🇪 912 43 9ms 7 May 2024 342nd dmrichwa 🇺🇸 912 43 9ms 22 Sep 2024 342nd a6166231 🇨🇳 912 43 9ms 25 Apr 2025 342nd CaedenHarper 🇨🇦 912 43 11ms 25 Jun 2025 342nd dokutan 912 43 10ms 22 Sep 2025 352nd RYNO8 911 47 15ms 18 Feb 2022 352nd TFeld00 🇩🇰 911 47 10ms 22 Apr 2022 352nd LukasFolwarczny 🇨🇿 911 47 11ms 16 Sep 2022 352nd commandblockguy 🇺🇸 911 47 9ms 18 Sep 2022 352nd KatieLG 🇬🇧 911 47 11ms 6 Oct 2022 352nd betaveros 911 47 12ms 30 Dec 2022 352nd Just4FunCoder 911 47 11ms 23 Mar 2023 352nd vishwathg 911 47 16ms 4 Apr 2023 352nd Schreipfelerer 911 47 12ms 9 Apr 2023 352nd quimey 911 47 14ms 23 Jun 2023 352nd dranjohn 911 47 9ms 16 Sep 2023 352nd keelimeguy 🇺🇸 911 47 11ms 16 Dec 2023 352nd bob-th 911 47 17ms 22 Jan 2024 352nd fgrosshans 🇫🇷 911 47 12ms 16 Jul 2024 352nd moustave 911 47 12ms 4 Dec 2024 352nd Bulmenisaurus 911 47 19ms 6 Feb 2025 352nd xiaoyiming123 911 47 10ms 23 Jul 2025 352nd InigoK 🇺🇸 911 47 10ms 9 Aug 2025 370th Lydxn 🇨🇦 911 49 42ms 29 Jan 2022 370th btnlq 911 49 49ms 29 Jan 2022 372nd fuzzylojik-golf 🇺🇸 910 119 454ms 24 Sep 2025 372nd sean-niemann 🇺🇸 910 119 364ms 24 Sep 2025 372nd JayXon 🇺🇸 910 119 476ms 27 days ago 372nd nwellnhof 🇩🇪 910 119 387ms 27 days ago First Prev 301–375 of 1,908 Next Last