Catalan Numbers in Python 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 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 Bytes Time Submitted 210th csharpython 733 60 9ms 5 Aug 2025 210th BREMAUCY 🇫🇷 733 60 9ms 11 Aug 2025 228th knutae 🇳🇴 721 61 9ms 3 Feb 2022 228th cros107 🇦🇺 721 61 9ms 2 Nov 2022 228th Baxi-codes 721 61 9ms 24 Dec 2022 228th thatbirdguythatuknownot 721 61 9ms 14 Jan 2023 228th mathb0y512 721 61 9ms 20 Apr 2023 228th Mikey-Beep 🇬🇧 721 61 9ms 31 Aug 2023 228th drochom 721 61 9ms 17 Jun 2024 228th tphLatte 721 61 9ms 3 Jul 2024 228th NanduBC 721 61 10ms 6 Sep 2024 228th Pyroan 721 61 10ms 13 May 2025 228th Tristanchaang 721 61 13ms 21 days ago 239th CedricGebistorf 710 62 9ms 6 Feb 2022 239th Indivicivet 710 62 9ms 9 May 2022 239th MaxElf999 710 62 9ms 24 May 2022 239th rowboat1 710 62 9ms 18 Jun 2022 239th jfallon1997 710 62 10ms 8 Aug 2022 239th NerdyMcNerd42 710 62 10ms 13 Aug 2022 239th Ripick 710 62 9ms 23 Aug 2022 239th EyalLitvin 710 62 9ms 18 Nov 2022 239th Omega65536 🇩🇪 710 62 10ms 24 Nov 2022 239th badboj40 710 62 27ms 27 Dec 2022 239th b10011 🇫🇮 710 62 9ms 8 Jan 2023 239th MichalMarsalek 🇨🇿 710 62 10ms 14 Jan 2023 239th eiburns 710 62 10ms 22 Jan 2023 239th celiendonze 🇨🇭 710 62 9ms 8 Apr 2023 239th Vaekor 710 62 9ms 9 Jul 2023 239th SB-945 710 62 10ms 10 Jul 2023 239th estomagordo 🇳🇱 710 62 9ms 31 Aug 2023 239th rollershutter 710 62 9ms 23 Oct 2023 239th azure-blondon 710 62 9ms 14 Dec 2023 239th chartung17 710 62 9ms 17 Dec 2023 239th mikehanus 710 62 9ms 29 Jan 2024 239th jbjd 710 62 9ms 25 Feb 2024 239th ThijsLuttikhuis 710 62 9ms 1 Mar 2024 239th KingSkyrock 🇺🇸 710 62 9ms 26 Mar 2024 239th 77Tigers 710 62 10ms 9 Apr 2024 239th kejcao 🇨🇦 710 62 9ms 16 May 2024 239th CutSandstone 710 62 9ms 4 Jul 2024 239th jiaminglimjm 🇲🇾 710 62 10ms 5 Jul 2024 239th Mathrew2012 710 62 10ms 30 Aug 2024 239th JunkIce 710 62 11ms 25 Sep 2024 239th croc54 710 62 10ms 21 Dec 2024 239th Rampoina 710 62 11ms 24 May 2025 239th Flekay 🇩🇪 710 62 9ms 10 Jul 2025 239th ValentinCassayre 710 62 9ms 22 Sep 2025 239th Voltrifrodec 🇸🇰 710 62 10ms 18 days ago 274th Jasper-Ty 🇵🇭 698 63 10ms 19 Jun 2022 274th jamespeilunli 698 63 10ms 4 Jul 2022 274th Starwort 🇬🇧 698 63 9ms 11 Nov 2022 274th thomasklunker 698 63 9ms 3 Feb 2023 274th VV1Git 698 63 10ms 19 Apr 2023 274th lucasalavapena 698 63 9ms 11 Dec 2023 274th Techdude01 698 63 9ms 22 Dec 2023 274th AtengChen 698 63 9ms 7 Sep 2024 274th LostSyntax21 🇬🇧 698 63 10ms 20 Sep 2024 274th allen-brandon 698 63 9ms 30 Jul 2025 284th argusdusty 🇺🇸 688 64 11ms 21 Aug 2022 284th BraedenMooreDev 688 64 13ms 29 Oct 2023 284th PrathamMehta08 688 64 13ms 6 Dec 2023 287th wh3n3v3r 🇨🇿 677 65 9ms 12 Nov 2024 288th Drew-j-Smith 657 67 64ms 2 May 2022 288th Shiran-Yuan 657 67 9ms 5 Apr 2023 288th Pale-Vessel 657 67 9ms 1 Apr 2024 288th JKfromHMS 657 67 9ms 20 May 2024 288th nickphe 657 67 9ms 19 Aug 2024 288th Unknownuserfrommars 657 67 11ms 20 Nov 2024 294th JGDoerrer 638 69 9ms 29 Jan 2022 295th 4hg 🇺🇸 629 70 16ms 27 Jan 2023 295th davbass 🇮🇹 629 70 10ms 29 Dec 2023 297th vodker1 620 71 11ms 9 Mar 2022 297th mdnestor 620 71 14ms 14 Dec 2022 297th juliusgeo 620 71 10ms 4 Feb 2023 297th aalec 620 71 63ms 4 May 2024 First Prev 226–300 of 416 Next Last