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 Calendar 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 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 Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers 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 ArkScript 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 ArkScript 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 Calendar 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 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 Experimental Hole Apéry’s Constant Binary Lambda Calculus 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 Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 881st jbjd 739 58 11ms 25 Feb 2024 882nd dokutan 739 67 1,332ms 18 Mar 2025 883rd Steffan153 🇫🇮 738 29 105ms 14 Nov 2022 883rd ovs-code 🇩🇪 738 29 126ms 29 Dec 2023 885th CheeseCake628 🇳🇴 737 50 516ms 18 Oct 2025 886th dpinchbe 735 28 33ms 6 Sep 2024 887th MeWhenI 🇻🇦 731 53 65ms 5 Apr 2025 888th ovs-code 🇩🇪 729 70 6ms 11 Dec 2023 888th DialFrost 🇸🇬 729 70 6ms 1 Jan 2026 890th CaedenHarper 🇨🇦 729 161 256ms 20 Nov 2025 891st dvargas46 🇺🇸 728 158 829ms 5 Feb 2023 892nd iczelia 🇩🇪 727 54 9ms 14 Oct 2025 893rd Shanethegamer 🇺🇸 724 73 5ms 4 Oct 2024 894th h3ra993huskp 🇯🇵 723 150 429ms 30 Nov 2025 895th Stockoh 🇫🇷 722 51 404ms 23 Jun 2024 896th davbass 🇮🇹 720 51 261ms 22 Aug 2023 897th emgordon154 720 163 255ms 18 Jan 2025 898th primo-ppcg 🇹🇭 719 160 73ms 4 Feb 2023 899th SniperSmiley 🇺🇸 716 25 48ms 4 Sep 2022 899th CornerMercury 🇬🇧 716 25 44ms 24 Aug 2023 901st Irratix 🇳🇱 716 64 125ms 29 Jan 2022 902nd msbranicky 715 164 250ms 31 Aug 2023 903rd LeeCamp 714 60 10ms 9 Feb 2022 903rd guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 903rd Eilonlif 🇮🇱 714 60 10ms 27 Aug 2022 903rd LogicalJoe 714 60 11ms 18 Sep 2022 903rd 5quiwyrm 714 60 10ms 22 Oct 2022 903rd TaserTheFox 🇺🇸 714 60 9ms 9 Jan 2023 903rd ljweel 714 60 12ms 13 Feb 2023 903rd shellbertt 🇨🇦 714 60 10ms 27 Apr 2023 903rd ssbhatt4321 714 60 10ms 11 Jun 2023 903rd PeterTillema 🇳🇱 714 60 10ms 10 Oct 2023 903rd kurkale6ka 714 60 11ms 21 Dec 2023 903rd sultan 714 60 9ms 3 Mar 2024 903rd alemelis 714 60 10ms 13 Oct 2024 903rd csharpython 714 60 10ms 5 Aug 2025 903rd BREMAUCY 🇫🇷 714 60 10ms 11 Aug 2025 918th dokutan 714 109 164ms 18 Mar 2025 919th snoozingnewt 🇨🇦 713 43 35ms 26 Sep 2025 920th MeWhenI 🇻🇦 713 57 108ms 1 Jun 2022 921st qwertyuiop3 🇷🇺 713 154 102ms 26 May 2025 922nd Steffan153 🇫🇮 710 297 171ms 30 Jun 2024 923rd typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 924th rokasveitas 🇱🇹 706 52 285ms 16 May 2022 924th shellbertt 🇨🇦 706 52 229ms 19 Mar 2023 926th aDwarfNamedUrist 705 65 124ms 9 Oct 2023 927th MeWhenI 🇻🇦 705 75 5ms 14 Feb 2025 928th knutae 🇳🇴 703 61 10ms 3 Feb 2022 928th cros107 🇦🇺 703 61 11ms 2 Nov 2022 928th Baxi-codes 703 61 10ms 24 Dec 2022 928th thatbirdguythatuknownot 703 61 9ms 14 Jan 2023 928th mathb0y512 703 61 10ms 20 Apr 2023 928th Mikey-Beep 🇬🇧 703 61 11ms 31 Aug 2023 928th drochom 703 61 10ms 17 Jun 2024 928th tphLatte 703 61 9ms 3 Jul 2024 928th NanduBC 703 61 10ms 6 Sep 2024 928th Pyroan 703 61 9ms 13 May 2025 928th Tristanchaang 703 61 10ms 15 Nov 2025 939th m-tkach 🇺🇦 702 402 26ms 23 Apr 2023 940th voytxt 🇨🇿 701 134 1,424ms 2 Mar 2025 941st DialFrost 🇸🇬 700 155 356ms 14 Nov 2025 942nd MeWhenI 🇻🇦 699 73 7ms 9 May 2024 943rd MeWhenI 🇻🇦 698 158 41ms 29 Apr 2025 944th sisyphus-ppcg 🇦🇺 698 164 4ms 29 Jan 2022 945th nullie 698 172 132ms 30 Dec 2024 946th HumanoidCPU 695 53 452ms 27 May 2024 946th Mabeloid 🇳🇴 695 53 416ms 21 Sep 2024 948th CedricGebistorf 691 62 10ms 6 Feb 2022 948th Indivicivet 691 62 11ms 9 May 2022 948th MaxElf999 691 62 12ms 24 May 2022 948th rowboat1 691 62 10ms 18 Jun 2022 948th jfallon1997 691 62 10ms 8 Aug 2022 948th NerdyMcNerd42 691 62 10ms 13 Aug 2022 948th Ripick 691 62 10ms 23 Aug 2022 948th EyalLitvin 691 62 10ms 18 Nov 2022 948th Omega65536 🇩🇪 691 62 11ms 24 Nov 2022 948th badboj40 691 62 31ms 27 Dec 2022 948th b10011 🇫🇮 691 62 10ms 8 Jan 2023 948th MichalMarsalek 🇨🇿 691 62 11ms 14 Jan 2023 948th eiburns 691 62 10ms 22 Jan 2023 First Prev 881–960 of 1,998 Next Last