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 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 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 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 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 374th JayXon 🇺🇸 912 119 340ms 25 Sep 2025 374th nwellnhof 🇩🇪 912 119 329ms 25 Sep 2025 378th clockworknazo 911 56 5ms 30 Sep 2022 378th Lydxn 🇨🇦 911 56 5ms 28 Feb 2023 380th Lydxn 🇨🇦 911 58 8ms 29 Jan 2022 380th primo-ppcg 🇹🇭 911 58 6ms 29 Jan 2022 380th AlephSquirrel 911 58 7ms 16 Jan 2023 380th ovs-code 🇩🇪 911 58 7ms 11 Mar 2023 380th varhammer 🇷🇺 911 58 6ms 19 Oct 2024 380th kg583 🇺🇸 911 58 6ms 21 Oct 2024 380th CLOStrophobic 🇮🇹 911 58 6ms 17 Jan 2025 380th zacjl 911 58 6ms 21 Jan 2025 388th error256 909 56 6ms 26 Oct 2024 388th zacjl 909 56 6ms 29 Oct 2024 388th edsrzf 🇳🇿 909 56 10ms 14 Jan 2025 391st Steffan153 🇫🇮 908 43 36ms 7 Oct 2022 391st DialFrost 🇸🇬 908 43 37ms 11 Feb 2023 391st Shanethegamer 🇺🇸 908 43 33ms 21 Feb 2023 391st o0lit3 🇺🇸 908 43 32ms 8 Jun 2023 391st sean-niemann 🇺🇸 908 43 31ms 21 Sep 2025 396th Lydxn 🇨🇦 908 54 1,250ms 29 Jan 2022 396th lynn 908 54 1,278ms 29 Jan 2022 396th JayXon 🇺🇸 908 54 1,286ms 29 Jan 2022 396th primo-ppcg 🇹🇭 908 54 1,246ms 29 Jan 2022 396th Steffan153 🇫🇮 908 54 1,263ms 4 Jan 2023 396th Shanethegamer 🇺🇸 908 54 1,270ms 21 Feb 2023 396th DialFrost 🇸🇬 908 54 1,279ms 10 Mar 2025 396th sean-niemann 🇺🇸 908 54 1,265ms 18 Apr 2025 396th edsrzf 🇳🇿 908 54 1,294ms 31 Aug 2025 405th primo-ppcg 🇹🇭 905 80 333ms 29 Jan 2022 405th m-tkach 🇺🇦 905 80 341ms 31 Jan 2022 405th Steffan153 🇫🇮 905 80 334ms 24 Sep 2022 405th tomtheisen 🇺🇸 905 80 341ms 7 Feb 2023 405th stefangimmillaro 905 80 329ms 7 Jul 2023 405th namelessiw 905 80 344ms 5 Jun 2025 405th DialFrost 🇸🇬 905 80 343ms 8 Sep 2025 405th CaedenHarper 🇨🇦 905 80 360ms 21 days ago 413th stefangimmillaro 904 120 338ms 6 Oct 2025 413th CaedenHarper 🇨🇦 904 120 334ms 10 Oct 2025 413th MeWhenI 🇻🇦 904 120 349ms 13 days ago 416th GrayJoKing 🇦🇺 903 45 101ms 8 Jun 2022 416th Lydxn 🇨🇦 903 45 102ms 8 Jun 2022 416th pardouin 🇫🇷 903 45 75ms 3 Sep 2024 419th JayXon 🇺🇸 903 70 105ms 14 Oct 2022 419th Lydxn 🇨🇦 903 70 109ms 15 Oct 2022 421st JayXon 🇺🇸 903 130 266ms 8 Feb 2022 421st nwellnhof 🇩🇪 903 130 272ms 3 Jun 2022 421st kkoenig 903 130 266ms 6 Sep 2025 424th annaproxy 902 34 38ms 29 Jan 2022 424th shinh 902 34 40ms 27 Jun 2022 424th anter69 🇭🇺 902 34 35ms 24 Jul 2022 424th janlelis 902 34 36ms 28 Aug 2022 428th Lydxn 🇨🇦 902 69 474ms 14 Jul 2023 428th JayXon 🇺🇸 902 69 500ms 14 Jul 2023 428th fuzzylojik-golf 🇺🇸 902 69 467ms 20 Sep 2025 428th sean-niemann 🇺🇸 902 69 492ms 21 Sep 2025 432nd Kacarott 🇦🇺 901 43 85ms 13 Sep 2024 432nd error256 901 43 71ms 13 Sep 2024 434th kg583 🇺🇸 901 56 40ms 4 Apr 2025 434th zacjl 901 56 43ms 16 May 2025 436th Shanethegamer 🇺🇸 900 55 841ms 29 Jan 2022 436th GrayJoKing 🇦🇺 900 55 974ms 17 Oct 2023 436th jipsong 🇩🇪 900 55 856ms 30 Jun 2024 439th HPWiz 🇳🇿 899 127 5ms 4 May 2025 440th GrayJoKing 🇦🇺 898 48 124ms 13 Aug 2024 440th pardouin 🇫🇷 898 48 124ms 22 Sep 2024 442nd primo-ppcg 🇹🇭 898 51 120ms 29 Jan 2022 442nd the-zammers 898 51 147ms 18 Jan 2024 442nd MeWhenI 🇻🇦 898 51 141ms 22 Mar 2024 442nd tobeannouncd 898 51 134ms 9 Aug 2024 442nd jipsong 🇩🇪 898 51 139ms 11 Feb 2025 447th JayXon 🇺🇸 898 122 409ms 5 May 2024 447th ovs-code 🇩🇪 898 122 408ms 5 May 2024 449th edsrzf 🇳🇿 897 39 663ms 30 Aug 2025 449th DialFrost 🇸🇬 897 39 682ms 2 Sep 2025 First Prev 376–450 of 1,944 Next Last