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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Chars Time Submitted 655th jacekwladzinski 840 51 9ms 2 Oct 2025 677th nwellnhof 🇩🇪 839 136 3ms 3 Dec 2022 678th edsrzf 🇳🇿 838 63 5ms 14 Jan 2025 679th emplv 🇱🇻 838 140 263ms 16 Nov 2022 680th GrayJoKing 🇦🇺 838 179 62ms 28 Jun 2022 681st neel11235813 836 44 404ms 15 Jan 2024 681st rucin93 🇵🇱 836 44 359ms 19 Jan 2024 681st SirBogman 🇺🇸 836 44 394ms 20 Jan 2024 681st AlephSquirrel 836 44 406ms 21 Jan 2024 681st dokutan 836 44 527ms 24 Mar 2025 686th Yewzir 🇧🇪 836 61 3ms 7 May 2024 687th UnderKoen 🇳🇱 836 382 152ms 20 Jun 2025 688th thisishowmymindworks 🇳🇴 835 47 9ms 11 Jun 2023 688th Babafaba 835 47 8ms 22 Oct 2025 690th MeWhenI 🇻🇦 833 42 718ms 30 Aug 2025 691st lynn 833 148 153ms 12 Jan 2025 692nd cbrt-x 832 55 132ms 19 Sep 2023 693rd Steffan153 🇫🇮 832 76 106ms 15 Oct 2022 693rd MeWhenI 🇻🇦 832 76 101ms 15 Oct 2022 695th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 695th Yewzir 🇧🇪 830 75 521ms 7 May 2024 697th Yewzir 🇧🇪 830 135 1,576ms 13 days ago 698th aksyristos 829 37 33ms 4 Mar 2023 698th aydamak 829 37 34ms 7 May 2024 700th DialFrost 🇸🇬 829 49 76ms 15 Nov 2024 700th jipsong 🇩🇪 829 49 70ms 12 Feb 2025 702nd voytxt 🇨🇿 829 51 130ms 3 Aug 2024 703rd Waffle3z 828 144 3ms 8 Apr 2022 704th sean-niemann 🇺🇸 828 236 774ms 22 Apr 2025 705th Steffan153 🇫🇮 827 43 36ms 7 Oct 2022 705th DialFrost 🇸🇬 827 43 37ms 11 Feb 2023 705th Shanethegamer 🇺🇸 827 43 33ms 21 Feb 2023 705th o0lit3 🇺🇸 827 43 32ms 8 Jun 2023 705th sean-niemann 🇺🇸 827 43 31ms 21 Sep 2025 710th GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 711th Ripick 825 64 6ms 14 Mar 2024 712th CornerMercury 🇬🇧 825 75 93ms 113 mins ago 713th Herbert00709 🇵🇱 824 52 9ms 21 Feb 2024 713th namelessiw 824 52 10ms 19 Aug 2024 713th WillowWispy 824 52 9ms 13 Mar 2025 716th DialFrost 🇸🇬 824 82 2,960ms 26 Oct 2024 717th ovs-code 🇩🇪 824 114 468ms 29 Mar 2025 718th stefangimmillaro 821 77 108ms 30 Sep 2023 719th DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 720th lifthrasiir 🇰🇷 818 45 353ms 2 Dec 2024 721st daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 722nd Awsute 817 56 149ms 21 Apr 2022 722nd yzhs 🇩🇪 817 56 158ms 16 Jun 2022 722nd snoozingnewt 🇺🇸 817 56 112ms 29 Oct 2025 725th GolfingSuccess 🇬🇷 817 115 571ms 18 Jan 2025 725th edsrzf 🇳🇿 817 115 465ms 18 Jan 2025 725th error256 817 115 474ms 5 Feb 2025 728th dokutan 816 45 251ms 19 May 2024 728th Ripick 816 45 252ms 27 Jun 2025 730th ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 731st dokutan 813 52 125ms 22 Sep 2025 732nd Herbert00709 🇵🇱 813 135 74ms 3 Apr 2025 733rd Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 734th ZakkkkAttackkkk 🇵🇭 808 53 9ms 30 Jan 2022 734th iakolzin 808 53 9ms 27 May 2022 734th nullie 808 53 9ms 7 Jun 2022 734th yzhs 🇩🇪 808 53 11ms 22 Jun 2022 734th markusgraube 808 53 11ms 24 Apr 2023 734th mstang107 808 53 9ms 20 Dec 2023 734th smokestacklightnin 🇺🇸 808 53 9ms 10 Jan 2024 734th HumanoidCPU 808 53 15ms 27 May 2024 734th Mabeloid 🇳🇴 808 53 10ms 21 Sep 2024 734th agreegious 808 53 11ms 14 Nov 2024 734th 0dyse 808 53 10ms 29 Apr 2025 734th piano-miles 808 53 9ms 9 May 2025 746th tatzyr 🇯🇵 807 38 35ms 14 Nov 2024 747th edsrzf 🇳🇿 807 48 84ms 9 Mar 2025 748th GolfingSuccess 🇬🇷 807 242 31ms 21 Dec 2023 749th kmathis22 804 135 337ms 23 Oct 2025 750th jerrandolph 804 146 269ms 23 Sep 2025 First Prev 676–750 of 1,944 Next Last