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Fibonacci in all languages 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi 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 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 NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Tower of Hanoi Turtle Tutorial # Golfer Points Bytes Time Submitted 817th jerrandolph 953 79 254ms 17 Apr 2020 817th Shanethegamer 🇺🇸 953 79 252ms 17 Apr 2020 817th jamesallured 953 79 249ms 18 Apr 2020 817th stuartcarnie 953 79 259ms 18 Apr 2020 817th yzhs 🇩🇪 953 79 255ms 19 Apr 2020 817th MahlerFive 🇨🇦 953 79 256ms 20 Apr 2020 817th b97tsk 953 79 258ms 20 Apr 2020 817th jerome-laforge 953 79 262ms 20 Apr 2020 817th yzzyx 953 79 258ms 20 Apr 2020 817th aivarasbaranauskas 953 79 265ms 20 Apr 2020 817th j0ran 953 79 258ms 20 Apr 2020 817th joaxcar 953 79 259ms 20 Apr 2020 817th potatoattack 953 79 259ms 20 Apr 2020 817th titpetric 953 79 257ms 20 Apr 2020 817th agschwender 953 79 256ms 20 Apr 2020 817th crholm 953 79 258ms 21 Apr 2020 817th tsakath 953 79 256ms 22 Apr 2020 817th SirBogman 🇺🇸 953 79 260ms 23 Apr 2020 817th cduerm 953 79 259ms 12 May 2020 817th prplz 🇦🇺 953 79 258ms 5 Jul 2020 817th dpatterbee 953 79 260ms 20 Aug 2020 817th KatieLG 🇬🇧 953 79 252ms 28 Sep 2020 817th Irratix 🇳🇱 953 79 254ms 17 Oct 2020 817th nwellnhof 🇩🇪 953 79 255ms 17 Oct 2020 817th NewDefectus 🇮🇱 953 79 262ms 1 Nov 2020 817th emplv 🇱🇻 953 79 253ms 24 Nov 2020 817th JayXon 🇺🇸 953 79 257ms 27 Dec 2020 817th GrayJoKing 🇦🇺 953 79 259ms 9 Jan 2021 817th Lydxn 🇨🇦 953 79 251ms 10 Jan 2021 817th sisyphus-ppcg 🇦🇺 953 79 262ms 22 Jan 2021 817th MatheusAvellar 🇧🇷 953 79 259ms 6 May 2021 817th Natanaelel 🇸🇪 953 79 258ms 27 May 2021 817th cure-honey 🇯🇵 953 79 260ms 23 Jun 2021 817th vang1ong7ang 953 79 250ms 26 Oct 2021 817th yzkonchain 953 79 253ms 26 Oct 2021 817th Hecate2 953 79 256ms 26 Oct 2021 817th MeWhenI 🇻🇦 953 79 242ms 4 Nov 2021 817th stefangimmillaro 953 79 256ms 7 Jan 2022 817th btnlq 953 79 272ms 1 Feb 2022 817th JRaspass 🇬🇧 953 79 245ms 29 Mar 2022 817th martin-viggiano 953 79 257ms 22 Jun 2022 817th hajimehoshi 🇯🇵 953 79 261ms 24 Sep 2022 817th Steffan153 🇫🇮 953 79 257ms 1 Oct 2022 817th kimbo 🇺🇸 953 79 275ms 27 Dec 2022 817th m-tkach 🇺🇦 953 79 253ms 14 Jun 2023 817th sean-niemann 🇺🇸 953 79 260ms 27 Jun 2023 817th ovs-code 🇩🇪 953 79 255ms 16 Aug 2023 817th snoozingnewt 🇺🇸 953 79 252ms 23 Sep 2023 817th Yewzir 🇧🇪 953 79 251ms 21 Oct 2023 817th elgan65536 953 79 258ms 23 Oct 2023 817th Betuaredead 953 79 262ms 12 Nov 2023 817th DialFrost 🇸🇬 953 79 248ms 16 Dec 2023 817th kkoenig 953 79 255ms 22 Dec 2023 817th harshit54 953 79 259ms 6 Jan 2024 817th bzijlema 🇳🇱 953 79 253ms 26 Jan 2024 817th bastatom 953 79 257ms 16 Feb 2024 817th neel11235813 953 79 260ms 26 Mar 2024 817th Grrisly 953 79 254ms 27 Mar 2024 817th jipsong 🇩🇪 953 79 282ms 13 Jun 2024 817th dbut2 🇦🇺 953 79 257ms 16 Jul 2024 817th edsrzf 🇳🇿 953 79 253ms 2 Sep 2024 817th pardouin 🇫🇷 953 79 255ms 4 Sep 2024 817th duckyluuk 🇳🇱 953 79 258ms 19 Sep 2024 817th b-illy 🇬🇧 953 79 264ms 29 Sep 2024 817th CaedenHarper 🇨🇦 953 79 257ms 22 Oct 2024 817th emgordon154 953 79 259ms 11 Nov 2024 817th error256 953 79 247ms 16 Dec 2024 817th martindotexe 🇳🇴 953 79 264ms 22 Apr 2025 817th fuzzylojik-golf 🇺🇸 953 79 257ms 29 May 2025 817th 0xjac 🇨🇭 953 79 262ms 7 Jun 2025 817th targrik 953 79 249ms 29 Jun 2025 817th FlorianCassayre 🇫🇷 953 79 265ms 16 Jul 2025 817th jessesomerville 953 79 253ms 20 Jul 2025 817th GolfingSuccess 🇬🇷 953 79 262ms 22 Aug 2025 817th KasperKivimaeki 🇫🇮 953 79 258ms 25 Sep 2025 First Prev 826–900 of 9,483 Next Last