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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus 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 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 pardouin 🇫🇷 760 51 62ms 13 Sep 2024 882nd DialFrost 🇸🇬 757 164 118ms 15 Dec 2025 883rd SirFireball3521 754 52 10ms 3 Nov 2022 883rd albanian-laundromat 754 52 10ms 24 Nov 2025 885th namelessiw 752 49 449ms 19 Aug 2024 886th PrathamMehta08 752 57 12ms 6 Dec 2023 886th Terobero 752 57 11ms 21 Aug 2024 886th AtengChen 752 57 11ms 7 Sep 2024 886th Mick-Travis 752 57 12ms 8 Dec 2024 890th pardouin 🇫🇷 752 84 153ms 8 Mar 2025 891st MeWhenI 🇻🇦 752 156 307ms 10 Feb 2023 892nd Jeremy-Stafford 751 61 124ms 28 Feb 2023 892nd inverseLorentz 🇦🇺 751 61 124ms 23 Apr 2024 894th dokutan 750 66 1,236ms 10 days ago 895th pardouin 🇫🇷 750 68 5ms 26 Apr 2025 896th MeWhenI 🇻🇦 749 219 110ms 16 Aug 2024 897th snoozingnewt 🇨🇦 747 47 946ms 21 Nov 2025 898th Alex-x90 🇺🇸 747 147 524ms 6 May 2024 899th MeWhenI 🇻🇦 746 60 11ms 29 Jan 2022 900th ovs-code 🇩🇪 746 161 137ms 21 Apr 2025 901st Shanethegamer 🇺🇸 744 85 112ms 14 Oct 2022 901st edsrzf 🇳🇿 744 85 130ms 30 Apr 2025 903rd snoozingnewt 🇨🇦 741 48 32ms 3 Dec 2025 904th nipzu 741 162 128ms 2 Apr 2024 905th jbjd 739 58 9ms 25 Feb 2024 906th Steffan153 🇫🇮 738 29 116ms 14 Nov 2022 906th ovs-code 🇩🇪 738 29 145ms 29 Dec 2023 908th CheeseCake628 🇳🇴 737 50 498ms 18 Oct 2025 909th dpinchbe 735 28 33ms 6 Sep 2024 910th edsrzf 🇳🇿 734 289 42ms 25 days ago 911th MeWhenI 🇻🇦 731 53 65ms 5 Apr 2025 912th ovs-code 🇩🇪 729 70 6ms 11 Dec 2023 912th DialFrost 🇸🇬 729 70 6ms 1 Jan 2026 914th CaedenHarper 🇨🇦 729 161 311ms 20 Nov 2025 915th dvargas46 🇺🇸 728 158 829ms 5 Feb 2023 916th iczelia 🇩🇪 727 54 10ms 14 Oct 2025 917th Shanethegamer 🇺🇸 725 73 5ms 4 Oct 2024 918th snoozingnewt 🇨🇦 725 164 92ms 8 Feb 2026 919th Stockoh 🇫🇷 723 51 404ms 23 Jun 2024 920th h3ra993huskp 🇯🇵 723 150 429ms 30 Nov 2025 921st davbass 🇮🇹 721 51 248ms 22 Aug 2023 922nd emgordon154 720 163 291ms 18 Jan 2025 923rd primo-ppcg 🇹🇭 719 160 73ms 4 Feb 2023 924th SniperSmiley 🇺🇸 716 25 40ms 4 Sep 2022 924th CornerMercury 🇬🇧 716 25 41ms 24 Aug 2023 926th Irratix 🇳🇱 716 64 125ms 29 Jan 2022 927th msbranicky 715 164 296ms 31 Aug 2023 928th snoozingnewt 🇨🇦 714 43 35ms 26 Sep 2025 929th LeeCamp 714 60 10ms 9 Feb 2022 929th guilhem-roy 🇫🇷 714 60 10ms 22 Feb 2022 929th Eilonlif 🇮🇱 714 60 10ms 27 Aug 2022 929th LogicalJoe 714 60 10ms 18 Sep 2022 929th 5quiwyrm 714 60 10ms 22 Oct 2022 929th TaserTheFox 🇺🇸 714 60 9ms 9 Jan 2023 929th ljweel 714 60 10ms 13 Feb 2023 929th shellbertt 🇨🇦 714 60 10ms 27 Apr 2023 929th ssbhatt4321 714 60 10ms 11 Jun 2023 929th PeterTillema 🇳🇱 714 60 10ms 10 Oct 2023 929th kurkale6ka 714 60 9ms 21 Dec 2023 929th sultan 714 60 9ms 3 Mar 2024 929th alemelis 714 60 10ms 13 Oct 2024 929th csharpython 714 60 10ms 5 Aug 2025 929th BREMAUCY 🇫🇷 714 60 10ms 11 Aug 2025 929th denkyuu1 714 60 11ms 21 days ago 945th dokutan 714 109 232ms 18 Mar 2025 946th Steffan153 🇫🇮 714 297 193ms 30 Jun 2024 947th MeWhenI 🇻🇦 713 57 77ms 1 Jun 2022 948th qwertyuiop3 🇷🇺 713 154 98ms 26 May 2025 949th kevinnaviapaiva 708 24 2ms 6 days ago 950th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 951st rokasveitas 🇱🇹 707 52 246ms 16 May 2022 951st shellbertt 🇨🇦 707 52 216ms 19 Mar 2023 953rd MeWhenI 🇻🇦 706 75 5ms 14 Feb 2025 954th aDwarfNamedUrist 705 65 124ms 9 Oct 2023 955th knutae 🇳🇴 703 61 10ms 3 Feb 2022 955th cros107 🇦🇺 703 61 10ms 2 Nov 2022 955th Baxi-codes 703 61 10ms 24 Dec 2022 955th thatbirdguythatuknownot 703 61 9ms 14 Jan 2023 955th mathb0y512 703 61 9ms 20 Apr 2023 955th Mikey-Beep 🇬🇧 703 61 10ms 31 Aug 2023 First Prev 881–960 of 2,035 Next Last