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Catalan Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 826th dokutan 750 83 455ms 22 Sep 2025 827th pardouin 🇫🇷 749 68 7ms 26 Apr 2025 827th kg583 🇺🇸 749 68 7ms 15 Aug 2025 829th MeWhenI 🇻🇦 749 219 129ms 16 Aug 2024 830th dokutan 748 41 38ms 18 Mar 2025 831st Alex-x90 🇺🇸 746 147 543ms 6 May 2024 832nd MeWhenI 🇻🇦 745 60 9ms 29 Jan 2022 833rd Yewzir 🇧🇪 744 47 1,136ms 5 Feb 2025 834th Shanethegamer 🇺🇸 744 85 105ms 14 Oct 2022 834th edsrzf 🇳🇿 744 85 111ms 30 Apr 2025 836th KasperKivimaeki 🇫🇮 741 154 3ms 3 Sep 2025 837th Steffan153 🇫🇮 740 68 55ms 29 Aug 2024 838th dokutan 739 67 930ms 18 Mar 2025 839th dpinchbe 735 28 38ms 6 Sep 2024 840th MeWhenI 🇻🇦 731 53 75ms 5 Apr 2025 841st snoozingnewt 🇺🇸 731 99 292ms 54 mins ago 842nd Waffle3z 731 189 3ms 29 Jan 2022 843rd HumanoidCPU 728 53 472ms 27 May 2024 843rd Mabeloid 🇳🇴 728 53 459ms 21 Sep 2024 845th ovs-code 🇩🇪 728 70 7ms 11 Dec 2023 846th dvargas46 🇺🇸 728 158 880ms 5 Feb 2023 847th iczelia 🇩🇪 726 54 10ms 15 days ago 848th CaedenHarper 🇨🇦 724 162 271ms 11 Jan 2025 849th shellbertt 🇨🇦 723 52 253ms 19 Mar 2023 849th davbass 🇮🇹 723 52 298ms 22 Aug 2023 851st Shanethegamer 🇺🇸 723 73 6ms 4 Oct 2024 852nd emgordon154 720 163 288ms 18 Jan 2025 853rd primo-ppcg 🇹🇭 719 160 79ms 4 Feb 2023 854th nullie 717 172 142ms 30 Dec 2024 855th Irratix 🇳🇱 715 64 143ms 29 Jan 2022 856th msbranicky 715 164 291ms 31 Aug 2023 857th msbranicky 714 54 669ms 17 Jan 2024 858th LeeCamp 714 60 10ms 9 Feb 2022 858th guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 858th Eilonlif 🇮🇱 714 60 9ms 27 Aug 2022 858th LogicalJoe 714 60 10ms 18 Sep 2022 858th 5quiwyrm 714 60 9ms 22 Oct 2022 858th TaserTheFox 🇺🇸 714 60 10ms 9 Jan 2023 858th ljweel 714 60 10ms 13 Feb 2023 858th shellbertt 🇨🇦 714 60 22ms 27 Apr 2023 858th ssbhatt4321 714 60 10ms 11 Jun 2023 858th 2011-Chan-Ethan 714 60 12ms 14 Jul 2023 858th PeterTillema 🇳🇱 714 60 12ms 10 Oct 2023 858th kurkale6ka 714 60 10ms 21 Dec 2023 858th sultan 714 60 10ms 3 Mar 2024 858th cuboids 714 60 10ms 10 Jul 2024 858th jatloe 714 60 10ms 27 Sep 2024 858th alemelis 714 60 12ms 13 Oct 2024 858th csharpython 714 60 11ms 5 Aug 2025 858th BREMAUCY 🇫🇷 714 60 11ms 11 Aug 2025 876th dokutan 714 109 165ms 18 Mar 2025 877th snoozingnewt 🇺🇸 713 43 37ms 26 Sep 2025 878th snoozingnewt 🇺🇸 713 49 678ms 51 mins ago 879th MeWhenI 🇻🇦 712 57 327ms 1 Jun 2022 880th qwertyuiop3 🇷🇺 712 154 108ms 26 May 2025 881st Steffan153 🇫🇮 710 297 194ms 30 Jun 2024 882nd rokasveitas 🇱🇹 709 53 314ms 16 May 2022 883rd dokutan 708 72 4ms 18 Mar 2025 884th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 885th DialFrost 🇸🇬 707 72 7ms 19 Jan 2025 886th snoozingnewt 🇺🇸 707 88 419ms 64 mins ago 887th aDwarfNamedUrist 704 65 117ms 9 Oct 2023 888th MeWhenI 🇻🇦 704 75 6ms 14 Feb 2025 889th knutae 🇳🇴 702 61 9ms 3 Feb 2022 889th cros107 🇦🇺 702 61 9ms 2 Nov 2022 889th Baxi-codes 702 61 11ms 24 Dec 2022 889th thatbirdguythatuknownot 702 61 11ms 14 Jan 2023 889th mathb0y512 702 61 9ms 20 Apr 2023 889th Mikey-Beep 🇬🇧 702 61 14ms 31 Aug 2023 889th drochom 702 61 14ms 17 Jun 2024 889th tphLatte 702 61 13ms 3 Jul 2024 889th NanduBC 702 61 10ms 6 Sep 2024 889th Pyroan 702 61 11ms 13 May 2025 899th voytxt 🇨🇿 701 134 869ms 2 Mar 2025 900th dokutan 699 155 375ms 24 Sep 2025 First Prev 826–900 of 1,927 Next Last