Catalan Numbers in all languages in chars. 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 Chars Time Submitted 675th rucin93 🇵🇱 836 44 359ms 19 Jan 2024 675th SirBogman 🇺🇸 836 44 394ms 20 Jan 2024 675th AlephSquirrel 836 44 406ms 21 Jan 2024 675th dokutan 836 44 527ms 24 Mar 2025 680th Yewzir 🇧🇪 836 61 3ms 7 May 2024 681st UnderKoen 🇳🇱 836 382 152ms 20 Jun 2025 682nd thisishowmymindworks 🇳🇴 835 47 9ms 11 Jun 2023 682nd Babafaba 835 47 8ms 22 Oct 2025 684th MeWhenI 🇻🇦 833 42 718ms 30 Aug 2025 685th lynn 833 148 153ms 12 Jan 2025 686th cbrt-x 832 55 132ms 19 Sep 2023 687th Steffan153 🇫🇮 832 76 104ms 15 Oct 2022 687th MeWhenI 🇻🇦 832 76 105ms 15 Oct 2022 689th janbehrens 🇩🇪 830 75 520ms 24 Apr 2023 689th Yewzir 🇧🇪 830 75 521ms 7 May 2024 691st Yewzir 🇧🇪 830 135 1,576ms 7 days ago 692nd aksyristos 829 37 33ms 4 Mar 2023 692nd aydamak 829 37 34ms 7 May 2024 692nd blaztoma 🇱🇹 829 37 36ms 11 Oct 2025 695th DialFrost 🇸🇬 829 49 75ms 15 Nov 2024 695th jipsong 🇩🇪 829 49 80ms 12 Feb 2025 697th voytxt 🇨🇿 829 51 130ms 3 Aug 2024 698th Waffle3z 828 144 3ms 8 Apr 2022 699th sean-niemann 🇺🇸 828 236 774ms 22 Apr 2025 700th Steffan153 🇫🇮 826 43 36ms 7 Oct 2022 700th DialFrost 🇸🇬 826 43 37ms 11 Feb 2023 700th Shanethegamer 🇺🇸 826 43 33ms 21 Feb 2023 700th o0lit3 🇺🇸 826 43 32ms 8 Jun 2023 700th sean-niemann 🇺🇸 826 43 31ms 21 Sep 2025 705th GrayJoKing 🇦🇺 826 186 16ms 1 Aug 2023 706th Ripick 825 64 6ms 14 Mar 2024 707th Herbert00709 🇵🇱 824 52 9ms 21 Feb 2024 707th namelessiw 824 52 10ms 19 Aug 2024 707th WillowWispy 824 52 9ms 13 Mar 2025 710th DialFrost 🇸🇬 824 82 3,439ms 26 Oct 2024 711th ovs-code 🇩🇪 824 114 698ms 29 Mar 2025 712th stefangimmillaro 821 77 103ms 30 Sep 2023 713th DialFrost 🇸🇬 820 95 158ms 24 Mar 2025 714th lifthrasiir 🇰🇷 817 45 353ms 2 Dec 2024 715th daniel-pedersen 🇸🇪 817 48 9ms 6 Mar 2022 716th Awsute 817 56 149ms 21 Apr 2022 716th yzhs 🇩🇪 817 56 158ms 16 Jun 2022 716th snoozingnewt 🇺🇸 817 56 112ms 22 days ago 719th GolfingSuccess 🇬🇷 817 115 685ms 18 Jan 2025 719th edsrzf 🇳🇿 817 115 558ms 18 Jan 2025 719th error256 817 115 537ms 5 Feb 2025 722nd dokutan 816 45 269ms 19 May 2024 722nd Ripick 816 45 278ms 27 Jun 2025 724th ovs-code 🇩🇪 815 140 6ms 25 Nov 2024 725th dokutan 813 52 125ms 22 Sep 2025 726th Herbert00709 🇵🇱 812 135 82ms 3 Apr 2025 727th Yewzir 🇧🇪 811 61 1,000ms 7 May 2024 728th ZakkkkAttackkkk 🇵🇭 808 53 9ms 30 Jan 2022 728th iakolzin 808 53 9ms 27 May 2022 728th nullie 808 53 9ms 7 Jun 2022 728th yzhs 🇩🇪 808 53 11ms 22 Jun 2022 728th markusgraube 808 53 11ms 24 Apr 2023 728th mstang107 808 53 9ms 20 Dec 2023 728th smokestacklightnin 🇺🇸 808 53 9ms 10 Jan 2024 728th HumanoidCPU 808 53 15ms 27 May 2024 728th Mabeloid 🇳🇴 808 53 10ms 21 Sep 2024 728th agreegious 808 53 11ms 14 Nov 2024 728th 0dyse 808 53 10ms 29 Apr 2025 728th piano-miles 808 53 9ms 9 May 2025 740th tatzyr 🇯🇵 807 38 35ms 14 Nov 2024 741st edsrzf 🇳🇿 807 48 84ms 9 Mar 2025 742nd GolfingSuccess 🇬🇷 807 242 32ms 21 Dec 2023 743rd kmathis22 804 135 337ms 23 Oct 2025 744th jerrandolph 804 146 269ms 23 Sep 2025 745th blaztoma 🇱🇹 803 57 131ms 22 Aug 2025 746th MeWhenI 🇻🇦 803 97 145ms 2 Jul 2023 747th albanian-laundromat 803 117 482ms 5 Oct 2025 748th emplv 🇱🇻 800 79 102ms 20 Dec 2022 748th DialFrost 🇸🇬 800 79 130ms 23 Mar 2025 750th Feniske 🇫🇷 799 38 200ms 6 Nov 2023 First Prev 676–750 of 1,932 Next Last