Fibonacci in Ruby in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 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 Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time 151st nlc 735 34 11 Apr 2018 151st caerbannogwhite 735 34 14 Apr 2018 151st ajc2 735 34 1 May 2018 151st anishghosh103 735 34 15 Mar 2020 151st theLobsterRevolution 735 34 30 Dec 2020 151st raphaelimahorn 735 34 2 Sep 2021 151st lilyyy411 735 34 10 Sep 2021 151st bac0id 735 34 18 Oct 2021 151st AIn0n 735 34 1 Dec 2021 151st MichaelMBradley 🇨🇦 735 34 21 Mar 2022 151st oceko 735 34 26 Nov 2022 151st nstearns96 🇬🇧 735 34 15 Dec 2022 151st CheeseCake628 🇳🇴 735 34 15 Feb 2023 151st epic-programmer-guy 735 34 15 Dec 2023 151st stellartux 735 34 24 Dec 2023 151st hellopatrick 735 34 26 Dec 2023 151st Lv0Sys 🇵🇱 735 34 31 May 2025 151st albanian-laundromat 735 34 19 days ago 169th JKHiggins 714 35 27 Jun 2019 169th jetpks 714 35 27 Jun 2019 169th idoschor 714 35 30 Nov 2020 169th bbakersmith 714 35 30 Jul 2021 169th FnControlOption 714 35 21 Aug 2022 169th cefqrn 714 35 26 May 2024 169th madeforlosers 714 35 22 Nov 2024 176th Mir0ff944 694 36 24 Oct 2019 177th iamsolarpowered 676 37 15 Dec 2017 177th Boostik 676 37 7 Jan 2018 177th robymus 676 37 17 Sep 2018 177th boxjelly 676 37 9 Feb 2021 177th 5quiwyrm 676 37 31 Aug 2022 177th truisseaux 676 37 4 Sep 2024 177th edsrzf 🇳🇿 676 37 13 Sep 2024 184th stevehodges 641 39 8 Nov 2017 184th JeremyC-za 641 39 9 Nov 2017 184th angetheo 641 39 19 Jan 2018 184th sacthedev 641 39 3 Apr 2018 184th okkun-oreo 641 39 2 Nov 2020 184th TheRealOhead 🇺🇸 641 39 24 Nov 2022 184th madex 🇩🇪 641 39 20 Jul 2024 184th Maximizer02 641 39 17 Sep 2025 192nd yokasuretsu 625 40 16 Apr 2018 192nd atsushiootani 625 40 7 Aug 2018 192nd esmg1 625 40 22 Aug 2018 192nd MichalMarsalek 🇨🇿 625 40 2 Sep 2022 192nd Heathcorp 🇦🇺 625 40 26 Nov 2022 192nd nortonbatista 625 40 31 Oct 2023 198th JRaspass 🇬🇧 610 41 23 Mar 2021 198th MCausc78 🇺🇦 610 41 29 Dec 2022 198th lgrandco 610 41 9 Oct 2024 201st tadd 595 42 16 Apr 2020 201st Ralac07 🇦🇺 595 42 17 Jun 2024 201st Just4FunCoder 595 42 26 Aug 2024 204th evanSpendlove 581 43 10 Dec 2020 205th biji1 568 44 26 Apr 2018 205th martica 568 44 20 May 2018 205th msbranicky 568 44 7 Sep 2023 208th greghull 556 45 8 Nov 2017 208th Noxilex 556 45 20 Mar 2019 208th ashtraypettingzoo 🇺🇸 556 45 16 Feb 2023 208th hacker112 🇸🇪 556 45 1 Jul 2024 212th adoxography 543 46 20 Sep 2018 212th CaAlden 543 46 10 May 2019 214th snltd 532 47 18 Aug 2019 214th michaelbaudino 532 47 18 Oct 2020 214th JesseNoEyes 🇺🇸 532 47 26 Sep 2024 214th Mikey-Beep 🇬🇧 532 47 20 Aug 2025 218th timcustard 521 48 10 Nov 2017 218th sech1p 🇵🇱 521 48 30 Dec 2020 218th martinnorling 🇸🇪 521 48 6 Feb 2022 218th purp 521 48 13 Aug 2022 218th eiburns 521 48 7 Sep 2023 218th SwordF-Official 521 48 2 Jun 2025 224th illegalnumbers 510 49 27 Jun 2019 224th b-paul 510 49 25 Dec 2020 First Prev 151–225 of 266 Next Last