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 224th martinnorling 🇸🇪 521 48 37ms 6 Feb 2022 224th purp 521 48 43ms 13 Aug 2022 224th eiburns 521 48 42ms 7 Sep 2023 224th SwordF-Official 521 48 37ms 2 Jun 2025 230th illegalnumbers 510 49 31ms 27 Jun 2019 230th b-paul 510 49 42ms 25 Dec 2020 232nd babcockd 500 50 42ms 19 Dec 2017 233rd lbrito1 490 51 275ms 8 Jan 2022 233rd azure-blondon 490 51 46ms 10 Jul 2024 235th zstearman3 481 52 37ms 11 Jul 2018 235th gpolumbo-broad 481 52 33ms 14 Mar 2019 235th karinknutsson 481 52 32ms 19 Mar 2021 235th HallMatthew314 481 52 153ms 5 Dec 2021 235th jonathanelliott 481 52 187ms 30 May 2024 240th SamirHodzic 472 53 163ms 11 Oct 2018 241st atayarani 463 54 222ms 17 Jan 2019 242nd pfysches-boop 455 55 39ms 6 Aug 2023 243rd jamespeilunli 446 56 30ms 29 Apr 2022 243rd Zach1031 446 56 54ms 15 Nov 2025 245th jacobsmith 439 57 177ms 21 Jan 2019 245th nico-bachner 439 57 40ms 28 Dec 2020 245th sm1lko 439 57 46ms 14 Dec 2022 245th Adix-null 🇱🇹 439 57 44ms 5 Jul 2023 249th kenballus 431 58 160ms 22 Nov 2019 249th sqlreader 431 58 199ms 15 Nov 2020 249th dillon-duncando 431 58 174ms 21 Dec 2021 252nd paramsiddharth 424 59 37ms 18 Apr 2020 253rd RowdyLemon 403 62 43ms 17 Mar 2021 254th phpboyscout 379 66 36ms 3 Sep 2019 254th jtaxen 379 66 37ms 18 Mar 2022 256th DanielDz21 🇧🇷 373 67 40ms 31 Oct 2023 257th tom-lord 357 70 42ms 8 Nov 2017 258th Noah-Fox 325 77 43ms 1 Jun 2022 259th michaelrychly 321 78 76ms 20 May 2019 259th vonKrafft 321 78 168ms 26 Mar 2020 261st christensendaniel 294 85 38ms 26 Aug 2023 262nd ninjawarrior1337 291 86 162ms 8 Aug 2021 263rd beauby 284 88 207ms 13 Nov 2017 264th Cr3aHal0 248 101 181ms 5 Jul 2019 265th BharadwajSridharan 🇮🇳 234 107 37ms 14 Nov 2020 266th kkoenig 223 112 166ms 22 Dec 2023 267th retrohun 180 139 42ms 21 Dec 2018 267th KatieLG-Transpiler 🇬🇧 180 139 35ms 24 Jun 2022 267th Mabeloid 🇳🇴 180 139 36ms 18 Sep 2024 267th Herbert00709 🇵🇱 180 139 48ms 31 Oct 2024 271st rwellens 177 141 36ms 18 Nov 2017 272nd mokymok 🇺🇸 148 169 38ms 9 Nov 2021 273rd trist224 🇫🇷 145 172 44ms 30 Nov 2022 First Prev 226–273 of 273
