The Continued Fractions hole will go live in approximately 28 hours. Why not try and solve it ahead of time?
Catalan Numbers in all languages in bytes. 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 Calendar 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 Multitap Input 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 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 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 ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 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 APL ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 Bytes Time Submitted 641st GrayJoKing 🇦🇺 863 181 138ms 8 May 2022 642nd rucin93 🇵🇱 862 191 379ms 17 Dec 2025 643rd primo-ppcg 🇹🇭 862 348 12ms 13 Aug 2025 644th DialFrost 🇸🇬 861 71 102ms 5 Dec 2025 644th emgordon154 861 71 112ms 5 Dec 2025 644th GolfingSuccess 🇬🇷 861 71 107ms 12 Dec 2025 644th Steffan153 🇫🇮 861 71 99ms 19 hours ago 648th ovs-code 🇩🇪 861 138 622ms 19 Dec 2025 649th ovs-code 🇩🇪 861 276 17ms 8 Jul 2024 650th m-tkach 🇺🇦 861 372 106ms 20 Jun 2025 651st lifthrasiir 🇰🇷 859 45 446ms 2 Dec 2024 652nd stefangimmillaro 859 191 113ms 3 May 2023 653rd sean-niemann 🇺🇸 858 128 485ms 4 May 2024 654th edsrzf 🇳🇿 858 131 1,674ms 13 Sep 2025 654th ovs-code 🇩🇪 858 131 1,778ms 14 Sep 2025 654th GolfingSuccess 🇬🇷 858 131 1,708ms 17 Sep 2025 654th MeWhenI 🇻🇦 858 131 1,686ms 7 Nov 2025 658th jrm5399 🇰🇿 857 50 10ms 30 Jan 2022 658th Freddiechang 857 50 9ms 8 Mar 2024 660th 386asm 🇺🇸 857 175 43ms 4 May 2023 661st Codsilla 🇨🇦 856 44 489ms 3 Nov 2023 661st Daniel-Ellison 856 44 360ms 10 Aug 2025 661st Lv0Sys 🇵🇱 856 44 278ms 6 Dec 2025 664th MeWhenI 🇻🇦 856 59 48ms 13 Feb 2025 664th DialFrost 🇸🇬 856 59 42ms 13 Feb 2025 664th Shanethegamer 🇺🇸 856 59 39ms 13 Feb 2025 664th pardouin 🇫🇷 856 59 43ms 20 Mar 2025 668th sean-niemann 🇺🇸 856 218 10ms 17 Dec 2025 669th MeWhenI 🇻🇦 855 23 38ms 25 Jul 2022 669th AlephSquirrel 855 23 39ms 31 Dec 2022 671st inventshah 855 79 2,324ms 25 Oct 2024 671st error256 855 79 2,421ms 26 Oct 2024 671st emgordon154 855 79 2,351ms 1 Nov 2024 674th primo-ppcg 🇹🇭 855 129 40ms 14 Jan 2025 675th GolfingSuccess 🇬🇷 854 62 6ms 18 days ago 676th arcpolaris 854 85 401ms 16 Dec 2024 677th primo-ppcg 🇹🇭 854 218 5ms 6 Aug 2023 678th Natanaelel 🇸🇪 853 58 1,326ms 3 Jan 2024 679th MeWhenI 🇻🇦 853 73 488ms 28 Feb 2022 679th Shanethegamer 🇺🇸 853 73 487ms 23 Mar 2022 679th DialFrost 🇸🇬 853 73 504ms 26 Oct 2023 679th jipsong 🇩🇪 853 73 476ms 1 Jul 2024 679th emgordon154 853 73 513ms 25 May 2025 684th ovs-code 🇩🇪 853 180 10ms 15 Jul 2023 685th KatieLG 🇬🇧 852 36 35ms 10 Apr 2022 685th SirBogman 🇺🇸 852 36 35ms 17 May 2022 685th Babafaba 852 36 34ms 15 Oct 2025 685th JOrE20 852 36 33ms 16 days ago 689th JayXon 🇺🇸 851 141 147ms 4 Apr 2025 690th JOrE20 851 304 26ms 16 days ago 691st FlyingPenguin223 850 20 2ms 17 Oct 2024 692nd Natanaelel 🇸🇪 850 46 28ms 3 Jan 2024 693rd j-Ewan 850 138 297ms 10 Mar 2022 694th Shanethegamer 🇺🇸 849 72 126ms 22 May 2025 694th blaztoma 🇱🇹 849 72 110ms 28 Nov 2025 694th snoozingnewt 🇨🇦 849 72 99ms 30 Nov 2025 697th sean-niemann 🇺🇸 849 194 11ms 17 Dec 2025 698th canissimia 🇦🇶 848 135 3ms 30 Jan 2022 698th btnlq 848 135 4ms 17 Nov 2022 700th duckyluuk 🇳🇱 847 215 20ms 29 Nov 2025 701st Shanethegamer 🇺🇸 846 48 77ms 11 Mar 2023 702nd voytxt 🇨🇿 846 51 133ms 3 Aug 2024 703rd SirBogman 🇺🇸 845 36 233ms 17 May 2022 704th DialFrost 🇸🇬 845 53 12ms 24 Mar 2025 705th GrayJoKing 🇦🇺 845 164 8ms 8 Apr 2022 706th annaproxy 844 86 380ms 5 May 2022 707th JRaspass 🇬🇧 844 139 301ms 7 Feb 2024 707th Shanethegamer 🇺🇸 844 139 283ms 7 Feb 2024 707th DialFrost 🇸🇬 844 139 331ms 7 Feb 2024 710th fuzzylojik-golf 🇺🇸 843 75 108ms 8 Sep 2025 710th sean-niemann 🇺🇸 843 75 107ms 21 Sep 2025 710th Steffan153 🇫🇮 843 75 151ms 13 days ago 713th Bubbler-4 842 46 64ms 13 Sep 2023 714th nwellnhof 🇩🇪 842 136 3ms 3 Dec 2022 715th JOrE20 841 46 360ms 4 days ago 716th dokutan 841 68 7ms 20 hours ago 717th snoozingnewt 🇨🇦 841 74 504ms 3 Dec 2025 718th ToE42 840 51 10ms 31 Jan 2022 718th kyleclaassen 840 51 9ms 12 Mar 2022 718th PiterAnnema 840 51 10ms 23 Mar 2022 First Prev 641–720 of 2,044 Next Last