Catalan Numbers in all languages in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Erlang 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 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 Erlang 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 Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 665th aksyristos 840 51 9ms 4 Mar 2023 665th DanielPeterssonAI 840 51 9ms 15 Mar 2023 665th Erik-M-Larsson 840 51 9ms 4 Apr 2023 665th mbittner20 840 51 9ms 12 Jun 2023 665th elgan65536 840 51 9ms 6 Mar 2024 665th Alex-x90 🇺🇸 840 51 10ms 5 May 2024 665th Stockoh 🇫🇷 840 51 11ms 14 Jun 2024 665th bac0id 840 51 10ms 29 Jun 2024 665th abhishekg999 840 51 9ms 20 Sep 2024 665th Hyunwook-Kim-WV 840 51 9ms 7 Aug 2025 665th jacekwladzinski 840 51 9ms 2 Oct 2025 687th nwellnhof 🇩🇪 839 136 3ms 3 Dec 2022 688th edsrzf 🇳🇿 838 63 5ms 14 Jan 2025 689th emplv 🇱🇻 838 140 263ms 16 Nov 2022 690th GrayJoKing 🇦🇺 838 179 62ms 28 Jun 2022 691st Yewzir 🇧🇪 836 61 3ms 7 May 2024 692nd UnderKoen 🇳🇱 836 382 152ms 20 Jun 2025 693rd thisishowmymindworks 🇳🇴 835 47 9ms 11 Jun 2023 693rd Babafaba 835 47 8ms 22 Oct 2025 695th MeWhenI 🇻🇦 833 42 718ms 30 Aug 2025 696th lynn 833 148 153ms 12 Jan 2025 697th cbrt-x 832 55 132ms 19 Sep 2023 698th Steffan153 🇫🇮 832 76 104ms 15 Oct 2022 698th MeWhenI 🇻🇦 832 76 105ms 15 Oct 2022 700th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 700th Yewzir 🇧🇪 830 75 521ms 7 May 2024 702nd Yewzir 🇧🇪 830 135 1,576ms 7 days ago 703rd aksyristos 829 37 33ms 4 Mar 2023 703rd aydamak 829 37 34ms 7 May 2024 703rd blaztoma 🇱🇹 829 37 36ms 11 Oct 2025 706th DialFrost 🇸🇬 829 49 75ms 15 Nov 2024 706th jipsong 🇩🇪 829 49 80ms 12 Feb 2025 708th dokutan 829 52 125ms 22 Sep 2025 709th GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 710th Ripick 825 64 6ms 14 Mar 2024 711th Herbert00709 🇵🇱 824 52 9ms 21 Feb 2024 711th namelessiw 824 52 10ms 19 Aug 2024 711th WillowWispy 824 52 9ms 13 Mar 2025 714th DialFrost 🇸🇬 824 82 3,439ms 26 Oct 2024 715th lyphyser 824 94 743ms 4 Nov 2023 716th ovs-code 🇩🇪 824 114 698ms 29 Mar 2025 717th KatieLG 🇬🇧 821 47 407ms 15 Jan 2024 717th Yewzir 🇧🇪 821 47 383ms 7 May 2024 719th stefangimmillaro 821 77 103ms 30 Sep 2023 720th DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 721st dokutan 817 46 269ms 19 May 2024 721st Ripick 817 46 278ms 27 Jun 2025 723rd daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 724th Awsute 817 56 149ms 21 Apr 2022 724th yzhs 🇩🇪 817 56 158ms 16 Jun 2022 724th snoozingnewt 🇺🇸 817 56 112ms 22 days ago 727th GolfingSuccess 🇬🇷 817 115 685ms 18 Jan 2025 727th edsrzf 🇳🇿 817 115 558ms 18 Jan 2025 727th error256 817 115 537ms 5 Feb 2025 730th CatsAreFluffy 815 95 54ms 11 Mar 2023 731st ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 732nd Herbert00709 🇵🇱 812 135 82ms 3 Apr 2025 733rd Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 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 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 744th tatzyr 🇯🇵 807 38 35ms 14 Nov 2024 745th edsrzf 🇳🇿 807 48 84ms 9 Mar 2025 746th GolfingSuccess 🇬🇷 807 242 32ms 21 Dec 2023 747th albanian-laundromat 804 48 404ms 7 Oct 2025 748th kmathis22 804 135 337ms 23 Oct 2025 749th jerrandolph 804 146 269ms 23 Sep 2025 750th blaztoma 🇱🇹 803 57 131ms 22 Aug 2025 First Prev 676–750 of 1,945 Next Last