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 Ellipse Perimeters Flags Floyd-Steinberg Dithering 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 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

Hole	Golfer	Bytes	Time	Submitted
Catalan Numbers	DialFrost	55	1,364ms	13 hours ago
Catalan Numbers	flekAI	70	1,322ms	3 days ago
Catalan Numbers	jusaka	2,885	1,268ms	6 days ago
Catalan Numbers	snoozingnewt	55	1,436ms	3 Dec 2025
Catalan Numbers	KatieLG	2,622	1,320ms	30 Nov 2025
Catalan Numbers	edsrzf	🥇 54	1,517ms	31 Aug 2025
Catalan Numbers	pardouin	55	1,432ms	23 Apr 2025
Catalan Numbers	sean-niemann	🥇 54	1,486ms	18 Apr 2025
Catalan Numbers	dokutan	86	1,298ms	24 Mar 2025
Catalan Numbers	CaedenHarper	2,879	1,242ms	24 Jan 2025
Catalan Numbers	Mabeloid	2,910	1,391ms	17 Sep 2024
Catalan Numbers	HumanoidCPU	2,879	1,608ms	17 Apr 2024
Catalan Numbers	JDiLenarda	76	1,457ms	10 Nov 2023
Catalan Numbers	MeWhenI	55	1,713ms	8 Jun 2023
Catalan Numbers	Shanethegamer	🥇 54	1,390ms	21 Feb 2023
Catalan Numbers	Steffan153	🥇 54	1,505ms	4 Jan 2023
Catalan Numbers	retrohun	2,908	1,456ms	27 Dec 2022
Catalan Numbers	KatieLG-Transpiler	2,879	1,376ms	24 Jun 2022
Catalan Numbers	primo-ppcg	🥇 54	1,480ms	29 Jan 2022
Catalan Numbers	JayXon	🥇 54	1,526ms	29 Jan 2022
Catalan Numbers	lynn	🥇 54	1,489ms	29 Jan 2022
Catalan Numbers	Lydxn	🥇 54	1,556ms	29 Jan 2022