Catalan Numbers in all languages in chars. 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 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 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 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 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 Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 451st jhfranklin 🇬🇧 894 23 43ms 11 Feb 2022 452nd GrayJoKing 🇦🇺 894 50 10ms 29 Jan 2022 452nd annaproxy 894 50 16ms 29 Jan 2022 452nd primo-ppcg 🇹🇭 894 50 13ms 30 Jan 2022 452nd Steffan153 🇫🇮 894 50 10ms 24 Sep 2022 452nd IanUtley 894 50 15ms 14 Nov 2023 452nd ovs-code 🇩🇪 894 50 20ms 30 Jun 2024 458th primo-ppcg 🇹🇭 893 34 203ms 29 Jan 2022 458th Shanethegamer 🇺🇸 893 34 204ms 29 Jan 2022 458th Steffan153 🇫🇮 893 34 210ms 19 Dec 2022 458th MeWhenI 🇻🇦 893 34 204ms 28 Jan 2023 458th DialFrost 🇸🇬 893 34 216ms 23 Dec 2023 458th pardouin 🇫🇷 893 34 197ms 22 Sep 2024 458th fuzzylojik-golf 🇺🇸 893 34 211ms 21 Sep 2025 465th clementblaudeau 893 48 9ms 29 Jun 2022 465th shelerr 893 48 9ms 14 Jul 2022 465th anter69 🇭🇺 893 48 8ms 24 Jul 2022 465th idoweinstein 893 48 9ms 4 Aug 2022 465th jakobkordez 🇸🇮 893 48 9ms 6 Nov 2022 465th M0PKOBKA 893 48 9ms 26 Dec 2022 465th Fracture17 893 48 9ms 17 Apr 2023 465th falsidge 893 48 10ms 15 Jun 2023 465th fourth-bit 893 48 9ms 24 Jun 2023 465th adamnielson42 🇺🇸 893 48 9ms 17 Aug 2023 465th mathisfun271 893 48 10ms 22 Dec 2023 465th logvp 893 48 9ms 30 Dec 2023 465th minhtrancccp 893 48 9ms 11 Jan 2024 465th inverseLorentz 🇦🇺 893 48 10ms 1 Apr 2024 465th Yewzir 🇧🇪 893 48 9ms 7 May 2024 465th abcdhhhh 893 48 9ms 25 Aug 2024 465th Languag3 893 48 9ms 3 Mar 2025 465th albanian-laundromat 893 48 9ms 26 Apr 2025 465th swtchblade 893 48 10ms 12 Jul 2025 465th CommandLeo 🇮🇹 893 48 10ms 9 days ago 485th uttumuttu 🇫🇮 892 44 9ms 6 Mar 2022 485th janbehrens 🇩🇪 892 44 9ms 24 Apr 2023 485th two-bad 🇬🇧 892 44 8ms 25 Feb 2024 485th targrik 892 44 9ms 15 Feb 2025 485th alexsave 892 44 9ms 15 days ago 490th MeWhenI 🇻🇦 892 55 1,243ms 8 Jun 2023 490th pardouin 🇫🇷 892 55 1,285ms 23 Apr 2025 492nd JayXon 🇺🇸 889 76 3,268ms 8 Nov 2024 492nd pardouin 🇫🇷 889 76 3,142ms 30 Nov 2024 494th Lydxn 🇨🇦 889 132 257ms 27 Feb 2023 495th canissimia 🇦🇶 889 222 368ms 24 Mar 2024 496th acotis 887 139 133ms 17 Oct 2025 497th xsot 🇸🇬 887 140 719ms 19 Jun 2025 498th edsrzf 🇳🇿 885 57 40ms 14 Jan 2025 499th JayXon 🇺🇸 885 88 147ms 2 Jul 2022 500th btnlq 884 124 394ms 5 May 2024 501st KatieLG 🇬🇧 883 82 400ms 12 Oct 2022 501st janbehrens 🇩🇪 883 82 346ms 24 Apr 2023 501st Yewzir 🇧🇪 883 82 332ms 7 May 2024 504th martin-viggiano 882 133 262ms 21 Jun 2022 504th edsrzf 🇳🇿 882 133 266ms 18 Nov 2024 504th fuzzylojik-golf 🇺🇸 882 133 263ms 8 Sep 2025 507th GrayJoKing 🇦🇺 881 44 74ms 17 Sep 2023 507th ovs-code 🇩🇪 881 44 78ms 12 Sep 2024 509th ovs-code 🇩🇪 881 48 127ms 3 Aug 2024 509th GrayJoKing 🇦🇺 881 48 124ms 13 Aug 2024 509th emgordon154 881 48 125ms 19 Sep 2024 509th pardouin 🇫🇷 881 48 124ms 22 Sep 2024 513th ovs-code 🇩🇪 879 58 3ms 27 Nov 2022 513th Steffan153 🇫🇮 879 58 3ms 3 Feb 2023 513th GrayJoKing 🇦🇺 879 58 3ms 18 Oct 2023 513th xsot 🇸🇬 879 58 3ms 8 Feb 2024 513th sean-niemann 🇺🇸 879 58 3ms 13 Mar 2025 513th pardouin 🇫🇷 879 58 3ms 13 Mar 2025 519th Shanethegamer 🇺🇸 878 107 560ms 27 Mar 2025 519th pardouin 🇫🇷 878 107 444ms 28 Mar 2025 519th emgordon154 878 107 1,021ms 28 Mar 2025 519th MeWhenI 🇻🇦 878 107 459ms 28 Mar 2025 519th DialFrost 🇸🇬 878 107 735ms 28 Mar 2025 524th saito-ta 🇯🇵 878 131 85ms 20 Nov 2023 525th Bubbler-4 877 46 24ms 11 Feb 2022 First Prev 451–525 of 1,935 Next Last