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 Calendar 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 Multitap Input 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 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 Numbrix 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 Numbrix 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 237th mathb0y512 721 61 10ms 20 Apr 2023 237th Mikey-Beep 🇬🇧 721 61 11ms 31 Aug 2023 237th drochom 721 61 10ms 17 Jun 2024 237th tphLatte 721 61 9ms 3 Jul 2024 237th NanduBC 721 61 10ms 6 Sep 2024 237th Pyroan 721 61 9ms 13 May 2025 237th Tristanchaang 721 61 10ms 15 Nov 2025 248th CedricGebistorf 710 62 10ms 6 Feb 2022 248th Indivicivet 710 62 11ms 9 May 2022 248th MaxElf999 710 62 12ms 24 May 2022 248th rowboat1 710 62 10ms 18 Jun 2022 248th jfallon1997 710 62 10ms 8 Aug 2022 248th NerdyMcNerd42 710 62 10ms 13 Aug 2022 248th Ripick 710 62 10ms 23 Aug 2022 248th EyalLitvin 710 62 10ms 18 Nov 2022 248th Omega65536 🇩🇪 710 62 11ms 24 Nov 2022 248th badboj40 710 62 31ms 27 Dec 2022 248th b10011 🇫🇮 710 62 10ms 8 Jan 2023 248th MichalMarsalek 🇨🇿 710 62 11ms 14 Jan 2023 248th eiburns 710 62 10ms 22 Jan 2023 248th celiendonze 🇨🇭 710 62 10ms 8 Apr 2023 248th Vaekor 710 62 10ms 9 Jul 2023 248th SB-945 710 62 14ms 10 Jul 2023 248th estomagordo 🇳🇱 710 62 10ms 31 Aug 2023 248th rollershutter 710 62 10ms 23 Oct 2023 248th azure-blondon 710 62 9ms 14 Dec 2023 248th chartung17 710 62 11ms 17 Dec 2023 248th mikehanus 710 62 10ms 29 Jan 2024 248th jbjd 710 62 10ms 25 Feb 2024 248th ThijsLuttikhuis 710 62 10ms 1 Mar 2024 248th KingSkyrock 🇺🇸 710 62 10ms 26 Mar 2024 248th kejcao 🇨🇦 710 62 10ms 16 May 2024 248th CutSandstone 710 62 10ms 4 Jul 2024 248th jiaminglimjm 🇲🇾 710 62 10ms 5 Jul 2024 248th Mathrew2012 710 62 9ms 30 Aug 2024 248th JunkIce 710 62 10ms 25 Sep 2024 248th croc54 710 62 10ms 21 Dec 2024 248th Rampoina 710 62 11ms 24 May 2025 248th ValentinCassayre 710 62 10ms 22 Sep 2025 248th Voltrifrodec 🇸🇰 710 62 10ms 18 Nov 2025 281st Jasper-Ty 🇵🇭 698 63 10ms 19 Jun 2022 281st jamespeilunli 698 63 10ms 4 Jul 2022 281st Starwort 🇬🇧 698 63 10ms 11 Nov 2022 281st thomasklunker 698 63 10ms 3 Feb 2023 281st VV1Git 698 63 10ms 19 Apr 2023 281st lucasalavapena 698 63 10ms 11 Dec 2023 281st Techdude01 698 63 10ms 22 Dec 2023 281st AtengChen 698 63 11ms 7 Sep 2024 281st LostSyntax21 🇬🇧 698 63 10ms 20 Sep 2024 281st allen-brandon 698 63 11ms 30 Jul 2025 291st argusdusty 🇺🇸 688 64 12ms 21 Aug 2022 291st BraedenMooreDev 688 64 10ms 29 Oct 2023 291st PrathamMehta08 688 64 12ms 6 Dec 2023 294th wh3n3v3r 🇨🇿 677 65 9ms 12 Nov 2024 295th Drew-j-Smith 657 67 64ms 2 May 2022 295th Shiran-Yuan 657 67 10ms 5 Apr 2023 295th Pale-Vessel 657 67 10ms 1 Apr 2024 295th JKfromHMS 657 67 10ms 20 May 2024 295th nickphe 657 67 10ms 19 Aug 2024 295th Unknownuserfrommars 657 67 10ms 20 Nov 2024 301st JGDoerrer 638 69 10ms 29 Jan 2022 302nd 4hg 🇺🇸 629 70 17ms 27 Jan 2023 302nd davbass 🇮🇹 629 70 10ms 29 Dec 2023 304th vodker1 620 71 11ms 9 Mar 2022 304th mdnestor 620 71 15ms 14 Dec 2022 304th juliusgeo 620 71 10ms 4 Feb 2023 304th aalec 620 71 64ms 4 May 2024 304th simplylu 620 71 10ms 5 Jan 2025 309th scpchicken 🇵🇼 611 72 11ms 18 Mar 2023 309th 0xBenCantCode 611 72 10ms 13 May 2023 311th HumanEquivalentUnit 603 73 10ms 12 Feb 2022 311th AdamHe17 603 73 18ms 15 Aug 2022 311th kellantech 603 73 18ms 4 Aug 2023 311th FortuiteMan 🇫🇷 603 73 19ms 20 Oct 2024 315th DrPiranoid 595 74 10ms 26 Sep 2022 315th JudeTyrrell 595 74 12ms 5 Oct 2024 317th adoxography 587 75 10ms 19 Feb 2022 317th Bonjour27891 🇻🇳 587 75 18ms 19 Feb 2022 317th jhpaques 🇫🇷 587 75 11ms 29 Sep 2022 317th 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