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 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 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 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 Multitap Input NFA Simulator 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 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 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 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 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 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 Multitap Input NFA Simulator 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 668th 4ndyJ 🇬🇧 840 51 9ms 19 Jan 2023 668th CheeseCake628 🇳🇴 840 51 10ms 20 Feb 2023 668th aksyristos 840 51 10ms 4 Mar 2023 668th DanielPeterssonAI 840 51 9ms 15 Mar 2023 668th Erik-M-Larsson 840 51 9ms 4 Apr 2023 668th mbittner20 840 51 9ms 12 Jun 2023 668th elgan65536 840 51 9ms 6 Mar 2024 668th Alex-x90 🇺🇸 840 51 9ms 5 May 2024 668th Stockoh 🇫🇷 840 51 16ms 14 Jun 2024 668th bac0id 840 51 10ms 29 Jun 2024 668th abhishekg999 840 51 9ms 20 Sep 2024 668th Hyunwook-Kim-WV 840 51 9ms 7 Aug 2025 668th jacekwladzinski 840 51 9ms 2 Oct 2025 689th nwellnhof 🇩🇪 839 136 3ms 3 Dec 2022 690th edsrzf 🇳🇿 838 63 5ms 14 Jan 2025 691st emplv 🇱🇻 838 140 264ms 16 Nov 2022 692nd GrayJoKing 🇦🇺 838 179 62ms 28 Jun 2022 693rd neel11235813 836 44 351ms 15 Jan 2024 693rd rucin93 🇵🇱 836 44 357ms 19 Jan 2024 693rd SirBogman 🇺🇸 836 44 341ms 20 Jan 2024 693rd AlephSquirrel 836 44 327ms 21 Jan 2024 693rd dokutan 836 44 464ms 24 Mar 2025 698th Yewzir 🇧🇪 836 61 3ms 7 May 2024 699th UnderKoen 🇳🇱 836 382 276ms 20 Jun 2025 700th thisishowmymindworks 🇳🇴 835 47 9ms 11 Jun 2023 700th Babafaba 835 47 8ms 22 Oct 2025 702nd MeWhenI 🇻🇦 833 42 727ms 30 Aug 2025 703rd lynn 833 148 137ms 12 Jan 2025 704th cbrt-x 832 55 132ms 19 Sep 2023 705th Steffan153 🇫🇮 832 76 99ms 15 Oct 2022 705th MeWhenI 🇻🇦 832 76 99ms 15 Oct 2022 707th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 707th Yewzir 🇧🇪 830 75 521ms 7 May 2024 709th Yewzir 🇧🇪 830 135 1,576ms 22 days ago 710th aksyristos 829 37 33ms 4 Mar 2023 710th aydamak 829 37 34ms 7 May 2024 712th DialFrost 🇸🇬 829 49 72ms 15 Nov 2024 712th jipsong 🇩🇪 829 49 67ms 12 Feb 2025 714th voytxt 🇨🇿 829 51 130ms 3 Aug 2024 715th snoozingnewt 🇨🇦 828 131 332ms 3 days ago 716th Waffle3z 828 144 3ms 8 Apr 2022 717th sean-niemann 🇺🇸 828 236 772ms 22 Apr 2025 718th Steffan153 🇫🇮 827 43 29ms 7 Oct 2022 718th DialFrost 🇸🇬 827 43 27ms 11 Feb 2023 718th Shanethegamer 🇺🇸 827 43 29ms 21 Feb 2023 718th o0lit3 🇺🇸 827 43 28ms 8 Jun 2023 718th sean-niemann 🇺🇸 827 43 28ms 21 Sep 2025 723rd GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 724th Ripick 825 64 6ms 14 Mar 2024 725th Herbert00709 🇵🇱 824 52 9ms 21 Feb 2024 725th namelessiw 824 52 11ms 19 Aug 2024 725th WillowWispy 824 52 10ms 13 Mar 2025 728th DialFrost 🇸🇬 824 82 2,960ms 26 Oct 2024 729th ovs-code 🇩🇪 824 114 518ms 29 Mar 2025 730th stefangimmillaro 821 77 99ms 30 Sep 2023 731st DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 732nd lifthrasiir 🇰🇷 818 45 534ms 2 Dec 2024 733rd daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 734th Awsute 817 56 149ms 21 Apr 2022 734th yzhs 🇩🇪 817 56 158ms 16 Jun 2022 736th edsrzf 🇳🇿 817 115 600ms 18 Jan 2025 736th error256 817 115 474ms 5 Feb 2025 738th dokutan 816 45 251ms 19 May 2024 738th Ripick 816 45 252ms 27 Jun 2025 740th ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 741st dokutan 813 52 125ms 22 Sep 2025 742nd Herbert00709 🇵🇱 813 135 75ms 3 Apr 2025 743rd Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 744th CornerMercury 🇬🇧 810 75 102ms 8 days ago 745th ZakkkkAttackkkk 🇵🇭 808 53 10ms 30 Jan 2022 745th iakolzin 808 53 9ms 27 May 2022 745th nullie 808 53 9ms 7 Jun 2022 745th yzhs 🇩🇪 808 53 10ms 22 Jun 2022 745th markusgraube 808 53 11ms 24 Apr 2023 745th mstang107 808 53 9ms 20 Dec 2023 First Prev 676–750 of 1,955 Next Last