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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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim 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 92nd rucin93 🇵🇱 957 46 10ms 6 Dec 2023 92nd ballaire 957 46 10ms 27 Jan 2024 92nd wuzekai518 957 46 9ms 21 Jun 2024 92nd ahmetdemirag 🇨🇾 957 46 11ms 30 Jun 2024 92nd FranklinJiaChen 957 46 10ms 3 Jul 2024 92nd codingisgreatbutiamnot 957 46 10ms 25 Jul 2024 92nd martion2007 957 46 10ms 14 Aug 2024 92nd bizy-coder 957 46 10ms 16 Aug 2024 92nd bzijlema 🇳🇱 957 46 11ms 14 Oct 2024 92nd plcc0 957 46 10ms 27 Apr 2025 92nd KasperKivimaeki 🇫🇮 957 46 11ms 29 Jun 2025 92nd dirckvdende 957 46 12ms 24 Jul 2025 92nd qpwoeirut 957 46 9ms 13 Aug 2025 92nd solisolu 957 46 12ms 1 Oct 2025 92nd michaelmgreer 957 46 10ms 14 Oct 2025 92nd nemoyatpeace 957 46 10ms 14 Jan 2026 92nd KatieLG 🇬🇧 957 46 11ms 3 Feb 2026 92nd JOrE20 957 46 10ms 23 Feb 2026 92nd StefanHabel 🇨🇦 957 46 10ms 14 days ago 120th RYNO8 936 47 11ms 18 Feb 2022 120th TFeld00 🇩🇰 936 47 10ms 22 Apr 2022 120th LukasFolwarczny 🇨🇿 936 47 13ms 16 Sep 2022 120th commandz0 🇺🇸 936 47 10ms 18 Sep 2022 120th betaveros 936 47 13ms 30 Dec 2022 120th Just4FunCoder 936 47 13ms 23 Mar 2023 120th vishwathg 936 47 11ms 4 Apr 2023 120th Schreipfelerer 936 47 13ms 9 Apr 2023 120th quimey 936 47 12ms 23 Jun 2023 120th dranjohn 936 47 11ms 16 Sep 2023 120th keelimeguy 🇺🇸 936 47 13ms 16 Dec 2023 120th bob-th 936 47 13ms 22 Jan 2024 120th fgrosshans 🇫🇷 936 47 13ms 16 Jul 2024 120th moustave 936 47 12ms 4 Dec 2024 120th Bulmenisaurus 936 47 12ms 6 Feb 2025 120th xiaoyiming123 936 47 10ms 23 Jul 2025 120th InigoK 🇺🇸 936 47 11ms 9 Aug 2025 120th luuumine 🇫🇷 936 47 10ms 21 Nov 2025 120th Lv0Sys 🇵🇱 936 47 11ms 6 Dec 2025 120th anter69 🇭🇺 936 47 10ms 30 Jan 2026 140th clementblaudeau 917 48 13ms 29 Jun 2022 140th shelerr 917 48 11ms 14 Jul 2022 140th idoweinstein 917 48 12ms 4 Aug 2022 140th jakobkordez 🇸🇮 917 48 10ms 6 Nov 2022 140th M0PKOBKA 917 48 11ms 26 Dec 2022 140th Fracture17 917 48 10ms 17 Apr 2023 140th falsidge 917 48 11ms 15 Jun 2023 140th fourth-bit 917 48 10ms 24 Jun 2023 140th adamnielson42 🇺🇸 917 48 10ms 17 Aug 2023 140th mathisfun271 917 48 10ms 22 Dec 2023 140th logvp 917 48 10ms 30 Dec 2023 140th minhtrancccp 917 48 11ms 11 Jan 2024 140th inverseLorentz 🇦🇺 917 48 10ms 1 Apr 2024 140th Yewzir 🇧🇪 917 48 10ms 7 May 2024 140th abcdhhhh 917 48 9ms 25 Aug 2024 140th Languag3 917 48 10ms 3 Mar 2025 140th albanian-laundromat 🇺🇸 917 48 10ms 26 Apr 2025 140th swtchblade 917 48 10ms 12 Jul 2025 140th CommandLeo 🇮🇹 917 48 10ms 11 Nov 2025 159th LHuitre 898 49 10ms 1 Jun 2022 159th glesnick 898 49 10ms 14 Jul 2022 159th nstearns96 🇬🇧 898 49 12ms 29 Nov 2022 159th fkantelberg 898 49 12ms 6 Aug 2023 159th ei14 898 49 10ms 7 May 2024 159th gallium-gonzollium 898 49 12ms 25 Aug 2024 159th lelbal 898 49 11ms 17 Sep 2024 159th snydej 898 49 14ms 27 Nov 2024 159th bltnppcnt 898 49 13ms 10 Apr 2025 159th michelebastione 🇮🇹 898 49 10ms 8 Aug 2025 159th Chara-0x 898 49 9ms 18 Sep 2025 159th Europe2048 898 49 11ms 18 Oct 2025 159th QuincyNash 🇺🇸 898 49 11ms 29 Nov 2025 159th yujh-yujh 🇬🇸 898 49 14ms 10 Dec 2025 159th Matter1024 🇮🇳 898 49 10ms 20 hours ago 174th jrm5399 🇰🇿 880 50 12ms 30 Jan 2022 174th Freddiechang 880 50 12ms 8 Mar 2024 174th madex 🇩🇪 880 50 28ms 21 days ago 177th ToE42 863 51 10ms 31 Jan 2022 177th kyleclaassen 863 51 11ms 12 Mar 2022 177th PiterAnnema 863 51 11ms 23 Mar 2022 177th OllieBoyne 🇬🇧 863 51 11ms 15 Apr 2022 177th TobyBoyne 🇬🇧 863 51 10ms 15 Apr 2022 177th SniperSmiley 🇺🇸 863 51 14ms 2 Jun 2022 177th abailey2020 🇺🇸 863 51 11ms 23 Jul 2022 177th suwat513 863 51 12ms 22 Sep 2022 177th 4ndyJ 🇬🇧 863 51 11ms 19 Jan 2023 177th CheeseCake628 🇳🇴 863 51 12ms 20 Feb 2023 177th DanielPeterssonAI 863 51 10ms 15 Mar 2023 177th Erik-M-Larsson 863 51 10ms 4 Apr 2023 177th mbittner20 863 51 10ms 12 Jun 2023 177th elgan65536 🇺🇸 863 51 11ms 6 Mar 2024 177th Alex-x90 🇺🇸 863 51 10ms 5 May 2024 177th Stockoh 🇫🇷 863 51 12ms 14 Jun 2024 177th bac0id 863 51 10ms 29 Jun 2024 177th abhishekg999 863 51 15ms 20 Sep 2024 177th Hyunwook-Kim-WV 863 51 10ms 7 Aug 2025 177th jacekwladzinski 863 51 10ms 2 Oct 2025 177th 77Tigers 863 51 10ms 13 Jan 2026 177th zzz13579zzz 863 51 11ms 29 Jan 2026 177th cuvam 🇺🇸 863 51 10ms 7 days ago 200th Herbert00709 🇵🇱 846 52 12ms 21 Feb 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