Fibonacci in Ruby 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 223rd purp 521 48 33ms 13 Aug 2022 223rd eiburns 521 48 32ms 7 Sep 2023 223rd SwordF-Official 521 48 32ms 2 Jun 2025 229th illegalnumbers 510 49 32ms 27 Jun 2019 229th b-paul 510 49 31ms 25 Dec 2020 231st babcockd 500 50 31ms 19 Dec 2017 232nd lbrito1 490 51 218ms 8 Jan 2022 232nd azure-blondon 490 51 32ms 10 Jul 2024 234th zstearman3 481 52 32ms 11 Jul 2018 234th gpolumbo-broad 481 52 32ms 14 Mar 2019 234th karinknutsson 481 52 32ms 19 Mar 2021 234th HallMatthew314 481 52 156ms 5 Dec 2021 234th jonathanelliott 481 52 155ms 30 May 2024 239th SamirHodzic 472 53 154ms 11 Oct 2018 240th atayarani 463 54 222ms 17 Jan 2019 241st pfysches-boop 455 55 32ms 6 Aug 2023 242nd jamespeilunli 446 56 33ms 29 Apr 2022 242nd Zach1031 446 56 64ms 15 Nov 2025 244th jacobsmith 439 57 154ms 21 Jan 2019 244th nico-bachner 439 57 32ms 28 Dec 2020 244th sm1lko 439 57 32ms 14 Dec 2022 244th Adix-null 🇱🇹 439 57 33ms 5 Jul 2023 248th kenballus 431 58 158ms 22 Nov 2019 248th sqlreader 431 58 185ms 15 Nov 2020 248th dillon-duncando 431 58 155ms 21 Dec 2021 251st paramsiddharth 424 59 32ms 18 Apr 2020 252nd RowdyLemon 403 62 32ms 17 Mar 2021 253rd phpboyscout 379 66 32ms 3 Sep 2019 253rd jtaxen 379 66 32ms 18 Mar 2022 255th DanielDz21 🇧🇷 373 67 32ms 31 Oct 2023 256th tom-lord 357 70 32ms 8 Nov 2017 257th Noah-Fox 325 77 31ms 1 Jun 2022 258th michaelrychly 321 78 59ms 20 May 2019 258th vonKrafft 321 78 152ms 26 Mar 2020 260th christensendaniel 294 85 32ms 26 Aug 2023 261st ninjawarrior1337 291 86 156ms 8 Aug 2021 262nd beauby 284 88 183ms 13 Nov 2017 263rd Cr3aHal0 248 101 178ms 5 Jul 2019 264th BharadwajSridharan 🇮🇳 234 107 31ms 14 Nov 2020 265th kkoenig 223 112 153ms 22 Dec 2023 266th retrohun 180 139 32ms 21 Dec 2018 266th KatieLG-Transpiler 🇬🇧 180 139 32ms 24 Jun 2022 266th Mabeloid 🇳🇴 180 139 33ms 18 Sep 2024 266th Herbert00709 🇵🇱 180 139 31ms 31 Oct 2024 270th rwellens 177 141 32ms 18 Nov 2017 271st mokymok 🇺🇸 148 169 32ms 9 Nov 2021 272nd trist224 🇫🇷 145 172 32ms 30 Nov 2022 First Prev 226–272 of 272
