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 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 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 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 671st SniperSmiley 🇺🇸 840 51 12ms 2 Jun 2022 671st abailey2020 🇺🇸 840 51 9ms 23 Jul 2022 671st suwat513 840 51 9ms 22 Sep 2022 671st 4ndyJ 🇬🇧 840 51 9ms 19 Jan 2023 671st CheeseCake628 🇳🇴 840 51 9ms 20 Feb 2023 671st aksyristos 840 51 9ms 4 Mar 2023 671st DanielPeterssonAI 840 51 9ms 15 Mar 2023 671st Erik-M-Larsson 840 51 9ms 4 Apr 2023 671st mbittner20 840 51 9ms 12 Jun 2023 671st elgan65536 840 51 10ms 6 Mar 2024 671st Alex-x90 🇺🇸 840 51 9ms 5 May 2024 671st Stockoh 🇫🇷 840 51 11ms 14 Jun 2024 671st bac0id 840 51 10ms 29 Jun 2024 671st abhishekg999 840 51 9ms 20 Sep 2024 671st Hyunwook-Kim-WV 840 51 9ms 7 Aug 2025 671st jacekwladzinski 840 51 9ms 2 Oct 2025 692nd nwellnhof 🇩🇪 839 136 3ms 3 Dec 2022 693rd emplv 🇱🇻 838 140 269ms 16 Nov 2022 694th GrayJoKing 🇦🇺 838 179 43ms 28 Jun 2022 695th neel11235813 836 44 363ms 15 Jan 2024 695th rucin93 🇵🇱 836 44 335ms 19 Jan 2024 695th SirBogman 🇺🇸 836 44 346ms 20 Jan 2024 695th AlephSquirrel 836 44 343ms 21 Jan 2024 695th dokutan 836 44 345ms 24 Mar 2025 700th Yewzir 🇧🇪 836 61 3ms 7 May 2024 701st UnderKoen 🇳🇱 836 382 276ms 20 Jun 2025 702nd thisishowmymindworks 🇳🇴 835 47 9ms 11 Jun 2023 702nd Babafaba 835 47 8ms 22 Oct 2025 704th MeWhenI 🇻🇦 833 42 699ms 30 Aug 2025 705th lynn 833 148 293ms 12 Jan 2025 706th cbrt-x 832 55 121ms 19 Sep 2023 707th Steffan153 🇫🇮 832 76 99ms 15 Oct 2022 707th MeWhenI 🇻🇦 832 76 99ms 15 Oct 2022 709th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 709th Yewzir 🇧🇪 830 75 475ms 7 May 2024 711th Yewzir 🇧🇪 830 135 2,468ms 25 days ago 712th aksyristos 829 37 33ms 4 Mar 2023 712th aydamak 829 37 33ms 7 May 2024 714th DialFrost 🇸🇬 829 49 72ms 15 Nov 2024 714th jipsong 🇩🇪 829 49 67ms 12 Feb 2025 716th voytxt 🇨🇿 829 51 121ms 3 Aug 2024 717th snoozingnewt 🇨🇦 828 131 383ms 5 days ago 718th Waffle3z 828 144 2ms 8 Apr 2022 719th Steffan153 🇫🇮 827 43 29ms 7 Oct 2022 719th DialFrost 🇸🇬 827 43 27ms 11 Feb 2023 719th Shanethegamer 🇺🇸 827 43 28ms 21 Feb 2023 719th o0lit3 🇺🇸 827 43 28ms 8 Jun 2023 719th sean-niemann 🇺🇸 827 43 28ms 21 Sep 2025 724th GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 725th Ripick 825 64 5ms 14 Mar 2024 726th Herbert00709 🇵🇱 824 52 9ms 21 Feb 2024 726th namelessiw 824 52 11ms 19 Aug 2024 726th WillowWispy 824 52 9ms 13 Mar 2025 729th DialFrost 🇸🇬 824 82 2,833ms 26 Oct 2024 730th ovs-code 🇩🇪 824 114 490ms 29 Mar 2025 731st stefangimmillaro 821 77 99ms 30 Sep 2023 732nd DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 733rd lifthrasiir 🇰🇷 818 45 357ms 2 Dec 2024 734th daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 735th Awsute 817 56 122ms 21 Apr 2022 735th yzhs 🇩🇪 817 56 121ms 16 Jun 2022 737th edsrzf 🇳🇿 817 115 544ms 18 Jan 2025 737th error256 817 115 474ms 5 Feb 2025 739th dokutan 816 45 251ms 19 May 2024 739th Ripick 816 45 252ms 27 Jun 2025 741st ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 742nd Herbert00709 🇵🇱 814 135 73ms 3 Apr 2025 743rd dokutan 813 52 119ms 22 Sep 2025 744th Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 745th CornerMercury 🇬🇧 810 75 93ms 11 days ago 746th ZakkkkAttackkkk 🇵🇭 808 53 10ms 30 Jan 2022 746th iakolzin 808 53 9ms 27 May 2022 746th nullie 808 53 9ms 7 Jun 2022 746th yzhs 🇩🇪 808 53 9ms 22 Jun 2022 746th markusgraube 808 53 11ms 24 Apr 2023 First Prev 676–750 of 1,956 Next Last