The Calendar hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Fibonacci in PowerShell 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 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 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 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 Multitap Input 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 ><> 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 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 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 Multitap Input 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 76th lahell 711 38 247ms 2 Jul 2020 76th theentropic 711 38 217ms 5 Aug 2020 76th jcheritat 711 38 212ms 6 Sep 2020 76th marcin7Cd 711 38 220ms 12 Jan 2021 76th markroloff 711 38 236ms 28 Jan 2021 76th ytaki0801 🇯🇵 711 38 197ms 19 Jun 2021 76th Arnaud-beep 🇫🇷 711 38 208ms 1 Sep 2022 76th MCausc78 🇺🇦 711 38 237ms 29 Dec 2022 76th sojumasterGA 711 38 194ms 31 Jan 2023 90th zeeceetech 692 39 207ms 3 Jun 2020 90th WatchBenGo 692 39 206ms 9 Jun 2020 90th sgaltair 692 39 206ms 9 Mar 2022 90th Skwerl23 692 39 213ms 6 Feb 2023 90th duckgoop 692 39 200ms 9 Mar 2023 95th rjmholt 675 40 217ms 3 Jun 2020 95th Agazoth 675 40 217ms 8 Jun 2020 95th paulhey 675 40 210ms 25 May 2021 95th Natanaelel 🇸🇪 675 40 218ms 4 Oct 2021 95th shellbertt 🇨🇦 675 40 211ms 2 Dec 2021 95th KevinLaux 675 40 232ms 6 Nov 2022 95th astdefu 675 40 206ms 11 Dec 2022 102nd Flobois 659 41 215ms 23 Jul 2024 103rd PowerShellToday 643 42 185ms 3 Jun 2020 103rd thlac 643 42 226ms 3 Jun 2020 103rd acolytegerm 643 42 204ms 14 Jun 2020 103rd justinkwork 643 42 226ms 28 Jul 2020 103rd rholliday 643 42 210ms 22 Feb 2021 103rd Betuaredead 643 42 206ms 4 Jan 2023 109th ntatalov 628 43 204ms 4 Jun 2022 109th Andrey2001 628 43 207ms 25 Nov 2025 111th HCRitter 🇩🇪 614 44 199ms 16 Oct 2023 111th dokutan 614 44 226ms 27 Jul 2024 111th KasperKivimaeki 🇫🇮 614 44 246ms 9 days ago 114th gjh71 🇳🇱 600 45 197ms 29 Dec 2020 114th DaCuteRaccoon 600 45 190ms 8 Apr 2022 114th Unknownuserfrommars 600 45 219ms 20 Nov 2024 117th kborowinski 587 46 226ms 4 Jun 2020 117th stahler 587 46 205ms 6 Jun 2020 117th raphaelimahorn 587 46 210ms 10 Aug 2021 117th Alex-x90 🇺🇸 587 46 210ms 2 Jan 2023 121st X3troc 563 48 210ms 5 Jun 2020 121st hdformat 563 48 191ms 6 Jun 2020 121st Clebam 🇫🇷 563 48 205ms 7 Aug 2022 121st USSChris 563 48 204ms 27 Dec 2024 125th jorgeasaurus 551 49 223ms 6 Jun 2020 125th JoeBigToe 551 49 224ms 14 Jun 2020 125th harperse 551 49 216ms 4 May 2023 125th eiburns 551 49 194ms 7 Sep 2023 125th JPRuskin 🇬🇧 551 49 242ms 24 Apr 2024 130th rdbartram 540 50 226ms 3 Jun 2020 130th KatieLG 🇬🇧 540 50 214ms 29 Nov 2020 130th sech1p 🇵🇱 540 50 203ms 25 Jun 2021 130th PowershellKnut 🇳🇴 540 50 211ms 4 Jul 2022 134th desecaw13 529 51 218ms 24 Jan 2025 135th krzydoug 519 52 246ms 5 Jun 2020 135th ehmiiz 🇸🇪 519 52 218ms 21 Jun 2022 135th TheRealOhead 🇺🇸 519 52 202ms 28 Nov 2022 138th northvandrew 509 53 200ms 4 Jun 2020 138th CheeseCake628 🇳🇴 509 53 216ms 11 Mar 2023 138th madeforlosers 509 53 218ms 22 Nov 2024 141st AJLindner 500 54 200ms 6 Aug 2020 142nd TravisEz13 491 55 206ms 5 Jun 2020 143rd ashtraypettingzoo 🇺🇸 482 56 227ms 16 Feb 2023 144th epic-programmer-guy 474 57 225ms 29 Dec 2023 144th cingulataluke 474 57 203ms 3 Jun 2024 144th BSharp2217 474 57 190ms 11 Jan 2025 147th natebru 466 58 191ms 3 Jun 2020 148th lilyyy411 458 59 215ms 10 Sep 2021 148th MichaelMBradley 🇨🇦 458 59 254ms 21 Mar 2022 148th Adix-null 🇱🇹 458 59 212ms 4 Jul 2023 151st PSGruss 450 60 199ms 5 Jun 2020 151st kenmich 450 60 249ms 3 May 2023 153rd resoNathan 443 61 214ms 3 May 2024 154th oceko 435 62 207ms 26 Nov 2022 155th Maximizer02 429 63 217ms 17 Sep 2025 156th adityapatwardhan 422 64 202ms 3 Jun 2020 156th povce 422 64 218ms 7 Apr 2023 156th NoneTheFewer 422 64 199ms 2 hours ago 159th SwordF-Official 415 65 233ms 11 Apr 2025 159th Zach1031 415 65 202ms 23 Nov 2025 First Prev 81–160 of 184 Next Last