The Continued Fractions hole will go live in approximately 38 hours. Why not try and solve it ahead of time?
Van Eck Sequence in Python 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 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 Chars Time Submitted 158th CatsAreFluffy 726 73 22ms 17 Dec 2022 158th jmerle 🇳🇱 726 73 70ms 16 Feb 2023 158th AlexanderFair 726 73 47ms 2 Jul 2023 158th NickTheEASDude 🇺🇸 726 73 46ms 6 Aug 2024 158th AtengChen 726 73 11ms 27 Aug 2024 158th andrewjc2000 726 73 50ms 18 Jul 2025 158th madeforlosers 726 73 11ms 13 Nov 2025 168th adoxography 716 74 49ms 20 Aug 2021 168th m42km 716 74 11ms 25 Nov 2023 168th Stockoh 🇫🇷 716 74 44ms 23 Jun 2024 168th TheZwierzLF 🇵🇱 716 74 11ms 24 May 2025 172nd potato-jackson 707 75 12ms 10 Sep 2021 172nd osmith93 707 75 21ms 14 Jun 2022 172nd aksyristos 707 75 46ms 18 Jan 2023 172nd celiendonze 🇨🇭 707 75 12ms 11 Apr 2023 172nd programjames 707 75 41ms 3 Feb 2024 172nd bob-th 707 75 18ms 26 Jul 2024 172nd fkantelberg 707 75 41ms 22 Jul 2025 179th kyleclaassen 697 76 22ms 9 Feb 2022 179th za3k 697 76 17ms 16 Oct 2022 179th cros107 🇦🇺 697 76 45ms 6 Aug 2023 182nd LeeCamp 688 77 25ms 23 Dec 2021 182nd codewrite 🇬🇧 688 77 11ms 9 Jul 2025 184th Indivicivet 679 78 58ms 26 Oct 2021 184th SirFireball3521 679 78 17ms 14 Mar 2023 186th pascscha 671 79 18ms 28 Mar 2022 187th jacklynnepenick 663 80 48ms 26 Aug 2021 187th b10011 🇫🇮 663 80 25ms 8 Jan 2023 187th keelimeguy 🇺🇸 663 80 2,062ms 19 Dec 2023 190th michelebastione 🇮🇹 654 81 23ms 26 May 2021 190th petroselo 654 81 39ms 12 Apr 2022 190th jhpaques 🇫🇷 654 81 58ms 29 Jul 2022 190th bwenstar 654 81 19ms 12 Aug 2022 190th glesnick 654 81 43ms 30 Sep 2022 190th eshilo-draper 654 81 12ms 27 Oct 2022 190th nstearns96 🇬🇧 654 81 57ms 29 Nov 2022 190th cingulataluke 654 81 14ms 29 Aug 2023 190th estomagordo 🇳🇱 654 81 11ms 31 Aug 2023 190th Ythaenagor 654 81 11ms 5 Aug 2024 200th RustemB 🇷🇺 646 82 14ms 2 May 2021 200th Mikey-Beep 🇬🇧 646 82 15ms 5 Sep 2024 200th moustave 646 82 61ms 28 Nov 2024 200th klixel 🇨🇦 646 82 35ms 25 Jan 2025 200th AstroOrbis 646 82 11ms 25 Nov 2025 205th trist224 🇫🇷 639 83 39ms 1 Sep 2022 206th ValdeQwerty 631 84 48ms 22 Sep 2021 206th PhysicDev 🇫🇷 631 84 26ms 13 Nov 2021 206th fgrosshans 🇫🇷 631 84 56ms 25 Jan 2022 206th amollberg 🇸🇪 631 84 16ms 30 Jan 2022 206th argusdusty 🇺🇸 631 84 57ms 21 Aug 2022 206th rollershutter 631 84 22ms 14 Nov 2023 206th Mabeloid 🇳🇴 631 84 14ms 6 Oct 2024 206th 5quiwyrm 631 84 58ms 7 Dec 2024 206th Alex-Huggett 🇬🇧 631 84 45ms 13 Sep 2025 215th Bonjour27891 🇻🇳 624 85 46ms 30 Jan 2022 216th hymanimy 616 86 55ms 24 Aug 2021 216th Azearia 616 86 12ms 23 Oct 2023 216th Techdude01 616 86 14ms 21 Dec 2023 216th yuchuehw 616 86 15ms 4 Feb 2024 216th LostSyntax21 🇬🇧 616 86 15ms 30 Nov 2025 221st MichalMarsalek 🇨🇿 609 87 17ms 3 Dec 2021 221st willschremmer 609 87 21ms 4 Apr 2024 223rd befoster 602 88 24ms 8 May 2021 223rd mrmena 🇦🇺 602 88 57ms 6 Jul 2021 223rd martinnorling 🇸🇪 602 88 17ms 10 Feb 2022 223rd abba23 602 88 15ms 27 May 2022 223rd bbakersmith 602 88 15ms 28 Jun 2022 223rd santiagvalencia 602 88 23ms 6 Mar 2025 229th bastienvoirin 🇫🇷 596 89 16ms 14 Sep 2021 229th Troon 596 89 58ms 18 Oct 2022 229th PaulMWeiser 596 89 16ms 5 Mar 2023 229th aalec 596 89 21ms 25 Apr 2024 229th ComputerKWasTaken 🇺🇸 596 89 12ms 23 Jan 2025 229th ImpressedByRocks 596 89 53ms 13 Feb 2025 229th smilesformiles3 596 89 60ms 24 Sep 2025 236th AkashTandon167 589 90 14ms 1 Nov 2021 236th jfallon1997 589 90 15ms 9 Aug 2022 236th myleopard 589 90 18ms 22 Dec 2022 236th thienudomsrirungruang 589 90 15ms 14 Nov 2024 240th MaxElf999 582 91 21ms 27 Sep 2022 First Prev 161–240 of 335 Next Last