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 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 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 826th Jeremy-Stafford 750 61 143ms 28 Feb 2023 826th inverseLorentz 🇦🇺 750 61 134ms 23 Apr 2024 828th dokutan 750 83 455ms 22 Sep 2025 829th pardouin 🇫🇷 749 68 7ms 26 Apr 2025 829th kg583 🇺🇸 749 68 7ms 15 Aug 2025 831st MeWhenI 🇻🇦 749 219 105ms 16 Aug 2024 832nd dokutan 748 41 38ms 18 Mar 2025 833rd Alex-x90 🇺🇸 746 147 490ms 6 May 2024 834th MeWhenI 🇻🇦 745 60 9ms 29 Jan 2022 835th Yewzir 🇧🇪 744 47 681ms 5 Feb 2025 836th Shanethegamer 🇺🇸 744 85 105ms 14 Oct 2022 836th edsrzf 🇳🇿 744 85 110ms 30 Apr 2025 838th Steffan153 🇫🇮 742 68 44ms 29 Aug 2024 839th jbjd 739 58 9ms 25 Feb 2024 840th dokutan 739 67 930ms 18 Mar 2025 841st dokutan 739 69 4ms 1 Apr 2025 842nd Steffan153 🇫🇮 738 29 126ms 14 Nov 2022 842nd ovs-code 🇩🇪 738 29 119ms 29 Dec 2023 844th CheeseCake628 🇳🇴 736 50 438ms 26 days ago 845th dpinchbe 735 28 38ms 6 Sep 2024 846th sean-niemann 🇺🇸 733 229 259ms 4 Jul 2025 847th MeWhenI 🇻🇦 731 53 75ms 5 Apr 2025 848th snoozingnewt 🇺🇸 731 99 292ms 14 days ago 849th ovs-code 🇩🇪 728 70 7ms 11 Dec 2023 850th dvargas46 🇺🇸 728 158 880ms 5 Feb 2023 851st iczelia 🇩🇪 726 54 9ms 14 Oct 2025 852nd CaedenHarper 🇨🇦 724 162 275ms 11 Jan 2025 853rd Shanethegamer 🇺🇸 723 73 6ms 4 Oct 2024 854th Stockoh 🇫🇷 721 51 373ms 23 Jun 2024 855th davbass 🇮🇹 720 51 298ms 22 Aug 2023 856th emgordon154 720 163 263ms 18 Jan 2025 857th primo-ppcg 🇹🇭 719 160 79ms 4 Feb 2023 858th nullie 717 172 140ms 30 Dec 2024 859th SniperSmiley 🇺🇸 716 25 36ms 4 Sep 2022 859th CornerMercury 🇬🇧 716 25 47ms 24 Aug 2023 861st Irratix 🇳🇱 715 64 143ms 29 Jan 2022 862nd msbranicky 715 164 263ms 31 Aug 2023 863rd LeeCamp 714 60 10ms 9 Feb 2022 863rd guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 863rd Eilonlif 🇮🇱 714 60 9ms 27 Aug 2022 863rd LogicalJoe 714 60 10ms 18 Sep 2022 863rd 5quiwyrm 714 60 9ms 22 Oct 2022 863rd TaserTheFox 🇺🇸 714 60 10ms 9 Jan 2023 863rd ljweel 714 60 10ms 13 Feb 2023 863rd shellbertt 🇨🇦 714 60 22ms 27 Apr 2023 863rd ssbhatt4321 714 60 10ms 11 Jun 2023 863rd PeterTillema 🇳🇱 714 60 12ms 10 Oct 2023 863rd kurkale6ka 714 60 10ms 21 Dec 2023 863rd sultan 714 60 10ms 3 Mar 2024 863rd alemelis 714 60 12ms 13 Oct 2024 863rd csharpython 714 60 11ms 5 Aug 2025 863rd BREMAUCY 🇫🇷 714 60 11ms 11 Aug 2025 878th dokutan 714 109 165ms 18 Mar 2025 879th snoozingnewt 🇺🇸 713 43 37ms 26 Sep 2025 880th snoozingnewt 🇺🇸 713 49 714ms 14 days ago 881st MeWhenI 🇻🇦 713 57 318ms 1 Jun 2022 882nd qwertyuiop3 🇷🇺 712 154 103ms 26 May 2025 883rd Steffan153 🇫🇮 710 297 194ms 30 Jun 2024 884th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 885th DialFrost 🇸🇬 707 72 7ms 19 Jan 2025 886th snoozingnewt 🇺🇸 707 88 419ms 14 days ago 887th rokasveitas 🇱🇹 706 52 314ms 16 May 2022 887th shellbertt 🇨🇦 706 52 253ms 19 Mar 2023 889th aDwarfNamedUrist 704 65 117ms 9 Oct 2023 890th MeWhenI 🇻🇦 704 75 6ms 14 Feb 2025 891st knutae 🇳🇴 702 61 9ms 3 Feb 2022 891st cros107 🇦🇺 702 61 9ms 2 Nov 2022 891st Baxi-codes 702 61 11ms 24 Dec 2022 891st thatbirdguythatuknownot 702 61 11ms 14 Jan 2023 891st mathb0y512 702 61 9ms 20 Apr 2023 891st Mikey-Beep 🇬🇧 702 61 14ms 31 Aug 2023 891st drochom 702 61 14ms 17 Jun 2024 891st tphLatte 702 61 13ms 3 Jul 2024 891st NanduBC 702 61 10ms 6 Sep 2024 891st Pyroan 702 61 11ms 13 May 2025 First Prev 826–900 of 1,924 Next Last