Catalan Numbers in all languages in chars. 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 901st knutae 🇳🇴 702 61 10ms 3 Feb 2022 901st cros107 🇦🇺 702 61 9ms 2 Nov 2022 901st Baxi-codes 702 61 10ms 24 Dec 2022 901st thatbirdguythatuknownot 702 61 9ms 14 Jan 2023 901st mathb0y512 702 61 9ms 20 Apr 2023 901st Mikey-Beep 🇬🇧 702 61 10ms 31 Aug 2023 901st drochom 702 61 9ms 17 Jun 2024 901st tphLatte 702 61 9ms 3 Jul 2024 901st NanduBC 702 61 9ms 6 Sep 2024 901st Pyroan 702 61 9ms 13 May 2025 901st Tristanchaang 702 61 10ms 12 days ago 912th voytxt 🇨🇿 701 134 441ms 2 Mar 2025 913th DialFrost 🇸🇬 700 155 344ms 13 days ago 914th m-tkach 🇺🇦 699 402 35ms 23 Apr 2023 915th MeWhenI 🇻🇦 698 73 7ms 9 May 2024 916th MeWhenI 🇻🇦 698 158 50ms 29 Apr 2025 917th sisyphus-ppcg 🇦🇺 696 164 3ms 29 Jan 2022 918th HumanoidCPU 694 53 472ms 27 May 2024 918th Mabeloid 🇳🇴 694 53 459ms 21 Sep 2024 920th CedricGebistorf 691 62 9ms 6 Feb 2022 920th Indivicivet 691 62 10ms 9 May 2022 920th MaxElf999 691 62 9ms 24 May 2022 920th rowboat1 691 62 9ms 18 Jun 2022 920th jfallon1997 691 62 10ms 8 Aug 2022 920th NerdyMcNerd42 691 62 9ms 13 Aug 2022 920th Ripick 691 62 9ms 23 Aug 2022 920th EyalLitvin 691 62 10ms 18 Nov 2022 920th Omega65536 🇩🇪 691 62 9ms 24 Nov 2022 920th badboj40 691 62 28ms 27 Dec 2022 920th b10011 🇫🇮 691 62 10ms 8 Jan 2023 920th MichalMarsalek 🇨🇿 691 62 10ms 14 Jan 2023 920th eiburns 691 62 9ms 22 Jan 2023 920th celiendonze 🇨🇭 691 62 9ms 8 Apr 2023 920th Vaekor 691 62 9ms 9 Jul 2023 920th estomagordo 🇳🇱 691 62 9ms 31 Aug 2023 920th rollershutter 691 62 10ms 23 Oct 2023 920th azure-blondon 691 62 10ms 14 Dec 2023 920th chartung17 691 62 10ms 17 Dec 2023 920th mikehanus 691 62 9ms 29 Jan 2024 920th ThijsLuttikhuis 691 62 9ms 1 Mar 2024 920th KingSkyrock 🇺🇸 691 62 10ms 26 Mar 2024 920th 77Tigers 691 62 9ms 9 Apr 2024 920th kejcao 🇨🇦 691 62 9ms 16 May 2024 920th CutSandstone 691 62 10ms 4 Jul 2024 920th jiaminglimjm 🇲🇾 691 62 10ms 5 Jul 2024 920th Mathrew2012 691 62 10ms 30 Aug 2024 920th croc54 691 62 11ms 21 Dec 2024 920th Rampoina 691 62 9ms 24 May 2025 920th Flekay 🇩🇪 691 62 9ms 10 Jul 2025 920th ValentinCassayre 691 62 9ms 22 Sep 2025 920th Voltrifrodec 🇸🇰 691 62 10ms 9 days ago 952nd albanian-laundromat 689 59 74ms 13 days ago 953rd SirBogman 🇺🇸 688 26 36ms 10 Sep 2022 953rd Herbert00709 🇵🇱 688 26 56ms 21 Feb 2024 955th emgordon154 688 74 6ms 6 Dec 2024 956th Yewzir 🇧🇪 687 92 110ms 18 Feb 2024 957th iczelia 🇩🇪 684 52 30ms 14 Oct 2025 958th msbranicky 681 54 669ms 17 Jan 2024 959th GolfingSuccess 🇬🇷 680 57 78ms 18 Sep 2023 960th Jasper-Ty 🇵🇭 680 63 10ms 19 Jun 2022 960th jamespeilunli 680 63 9ms 4 Jul 2022 960th Starwort 🇬🇧 680 63 9ms 11 Nov 2022 960th thomasklunker 680 63 9ms 3 Feb 2023 960th VV1Git 680 63 9ms 19 Apr 2023 960th lucasalavapena 680 63 9ms 11 Dec 2023 960th Techdude01 680 63 11ms 22 Dec 2023 960th LostSyntax21 🇬🇧 680 63 10ms 20 Sep 2024 960th allen-brandon 680 63 14ms 30 Jul 2025 969th edsrzf 🇳🇿 679 274 35ms 28 Feb 2025 970th Yewzir 🇧🇪 677 78 6ms 7 May 2024 971st janbehrens 🇩🇪 675 45 245ms 3 Dec 2023 972nd ovs-code 🇩🇪 675 276 186ms 20 Aug 2023 973rd JRaspass 🇬🇧 669 32 99ms 29 Jan 2022 974th argusdusty 🇺🇸 669 64 11ms 21 Aug 2022 974th BraedenMooreDev 669 64 10ms 29 Oct 2023 First Prev 901–975 of 1,941 Next Last
