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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 320th Bonjour27891 🇻🇳 587 75 16ms 19 Feb 2022 320th jhpaques 🇫🇷 587 75 11ms 29 Sep 2022 320th Troon 587 75 11ms 4 Nov 2022 320th olivermrose 🇺🇸 587 75 18ms 16 Jan 2023 320th jhu04 587 75 10ms 23 Jun 2023 320th dahappy1989 587 75 9ms 5 Nov 2023 327th jacklynnepenick 579 76 10ms 15 Feb 2022 327th Andrey135296 579 76 11ms 4 Apr 2022 327th myleopard 579 76 10ms 20 Jul 2022 327th julian-hoelz 579 76 11ms 23 Sep 2024 327th tomh1012 579 76 9ms 26 days ago 332nd dzshn 571 77 10ms 15 Aug 2022 332nd S-Ruban 571 77 10ms 25 Feb 2023 332nd NickTheEASDude 🇺🇸 571 77 10ms 1 May 2024 332nd jamesthekee 571 77 11ms 16 Apr 2025 332nd 40fied4t 571 77 10ms 17 May 2025 337th amollberg 🇸🇪 564 78 11ms 29 Jan 2022 337th ArmaanAS 564 78 18ms 22 Feb 2022 337th lukemalek 564 78 10ms 10 Oct 2022 337th Bodo171 564 78 11ms 7 Dec 2022 337th bobbysq 564 78 10ms 20 Dec 2022 337th marcin7Cd 564 78 10ms 24 Mar 2023 337th hiichbindermax 564 78 10ms 4 Sep 2024 337th TheZwierzLF 🇵🇱 564 78 12ms 17 May 2025 345th trist224 🇫🇷 557 79 12ms 26 Aug 2022 345th CatsAreFluffy 557 79 10ms 2 Sep 2023 345th yuchuehw 557 79 18ms 6 Feb 2024 348th pyrolitic 🇮🇪 550 80 10ms 6 Apr 2022 348th P-Quentin 🇫🇷 550 80 10ms 11 Aug 2022 348th andre-lameirinhas 🇵🇹 550 80 10ms 13 Aug 2022 348th grhkm21 550 80 11ms 19 Dec 2022 348th Florian-Mt 550 80 10ms 26 Sep 2023 348th robin-scragg 550 80 10ms 29 Jul 2025 348th NoneTheFewer 550 80 10ms 27 Dec 2025 355th abba23 543 81 11ms 1 Jun 2022 355th tpremoli 543 81 18ms 8 Mar 2023 355th ridingqwerty 🇺🇸 543 81 10ms 7 Feb 2024 355th willschremmer 543 81 11ms 28 Apr 2024 355th PyryL 🇫🇮 543 81 12ms 23 Aug 2024 360th twocatsinatrenchcoat 537 82 11ms 3 Feb 2022 360th hjcafaroUC 537 82 10ms 15 Aug 2022 360th AodhanDalton 537 82 11ms 2 Sep 2022 360th loganmacdougall 🇨🇦 537 82 11ms 16 Nov 2022 360th goGuru 537 82 11ms 2 Jan 2023 360th latvianfarmer17 🇱🇻 537 82 9ms 20 Jul 2023 366th felixcroc 524 84 10ms 28 Mar 2023 366th Mr-McChicken 524 84 10ms 15 Oct 2023 368th ehulinsky 🇺🇸 518 85 18ms 8 May 2023 369th brimstonetrader 512 86 10ms 10 Jan 2024 369th Andrey2001 512 86 10ms 27 Nov 2025 371st za3k 506 87 10ms 11 Oct 2022 371st ComputerKWasTaken 🇺🇸 506 87 11ms 24 Sep 2024 373rd shibacho 🇯🇵 500 88 10ms 24 Mar 2022 373rd Wildst 500 88 9ms 23 Sep 2022 373rd jaxmattfair 🇺🇸 500 88 16ms 22 May 2024 373rd rsujeevan 500 88 10ms 5 May 2025 373rd JOrE-Softwares 500 88 10ms 23 May 2025 373rd Aquateraneal 🇺🇸 500 88 10ms 4 Nov 2025 379th MassimoParisi 494 89 18ms 25 Sep 2024 380th ItsEthanDev 484 91 11ms 14 Mar 2024 380th elana-teal 484 91 10ms 2 Jul 2025 382nd FoxInTheClouds 478 92 17ms 18 Jan 2026 383rd Trunksistor 🇫🇷 468 94 11ms 25 May 2022 383rd jmerle 🇳🇱 468 94 13ms 31 Oct 2022 383rd hymanimy 468 94 10ms 24 Nov 2022 386th 1231234md5 🇨🇳 440 100 11ms 11 Dec 2023 386th roguh 🇬🇹 440 100 10ms 9 Jun 2024 388th Ugoran 436 101 11ms 19 Nov 2022 389th Andre3582 431 102 10ms 13 Mar 2022 389th griffinschreiber 431 102 10ms 25 Jun 2023 391st XenThe 🇬🇧 423 104 9ms 6 Nov 2025 392nd galloj 🇨🇿 419 105 10ms 16 Aug 2022 392nd BabySharkHi 419 105 10ms 22 Apr 2025 394th ImpressedByRocks 407 108 13ms 24 Jun 2022 395th TJK-S 404 109 10ms 16 Oct 2025 396th feherd 386 114 10ms 20 May 2022 397th martinnorling 🇸🇪 376 117 13ms 29 Jan 2022 398th jstechman 370 119 13ms 26 Feb 2024 398th RaBa21 🇭🇺 370 119 23ms 19 Jul 2025 400th atazzam 🇺🇸 364 121 10ms 5 Mar 2022 First Prev 321–400 of 428 Next Last