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 Calendar 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 Multitap Input 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 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 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Multitap Input 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 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 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 960th error256 948 58 515ms 24 Sep 2025 960th Shanethegamer 🇺🇸 948 58 444ms 25 Sep 2025 960th FlyingPenguin223 948 58 454ms 25 Sep 2025 960th emgordon154 948 58 461ms 25 Sep 2025 960th duckyluuk 🇳🇱 948 58 447ms 25 Sep 2025 960th m-tkach 🇺🇦 948 58 373ms 25 Sep 2025 960th voytxt 🇨🇿 948 58 447ms 25 Sep 2025 960th Yewzir 🇧🇪 948 58 364ms 2 Oct 2025 960th Andrey2001 948 58 364ms 24 Nov 2025 970th JayXon 🇺🇸 947 45 75ms 11 Oct 2022 970th stefangimmillaro 947 45 74ms 7 May 2023 972nd I-Love-47 🇺🇦 947 70 58ms 8 Feb 2022 972nd ZakkkkAttackkkk 🇵🇭 947 70 57ms 27 Jul 2022 972nd FlorianCassayre 🇫🇷 947 70 53ms 10 Oct 2022 972nd thatbirdguythatuknownot 947 70 58ms 8 Jan 2023 972nd tailorspy 947 70 57ms 15 Mar 2023 972nd neel11235813 947 70 56ms 16 Dec 2023 972nd wlaud9 947 70 55ms 5 Feb 2024 972nd SadiinsoSnowfall 🇫🇷 947 70 51ms 15 Feb 2024 972nd oceko 947 70 57ms 19 Feb 2024 972nd bac0id 947 70 53ms 23 Feb 2024 972nd IlkkaTakala 947 70 57ms 26 Apr 2024 972nd cefqrn 947 70 58ms 26 May 2024 972nd Kacarott 🇦🇺 947 70 54ms 29 Aug 2024 972nd edsrzf 🇳🇿 947 70 55ms 12 Sep 2024 972nd plcc0 947 70 56ms 27 Mar 2025 972nd emgordon154 947 70 53ms 1 Jun 2025 972nd IntOverflow-maxwell 947 70 57ms 26 Aug 2025 972nd timhaj 🇸🇮 947 70 56ms 12 Sep 2025 972nd LordSir101 947 70 54ms 17 Sep 2025 972nd Zounon 947 70 57ms 18 Sep 2025 972nd qpwoeirut 947 70 57ms 14 Oct 2025 972nd CaedenHarper 🇨🇦 947 70 56ms 30 Oct 2025 994th Kacarott 🇦🇺 946 26 63ms 9 Dec 2025 994th GrayJoKing 🇦🇺 946 26 64ms 9 Dec 2025 994th error256 946 26 61ms 10 Dec 2025 997th Attero 🇸🇪 946 52 386ms 21 Nov 2021 997th BBoehm 🇩🇪 946 52 409ms 21 Nov 2021 997th eldritchconundrum 946 52 409ms 21 Nov 2021 997th initram 946 52 406ms 21 Nov 2021 997th jakzo 946 52 396ms 21 Nov 2021 997th janbehrens 🇩🇪 946 52 428ms 21 Nov 2021 997th KatieLG 🇬🇧 946 52 372ms 21 Nov 2021 997th markdchurchill 946 52 419ms 21 Nov 2021 997th raphaelimahorn 946 52 423ms 21 Nov 2021 997th m-tkach 🇺🇦 946 52 418ms 2 Dec 2021 997th Irratix 🇳🇱 946 52 398ms 9 Dec 2021 997th SirBogman 🇺🇸 946 52 396ms 14 Dec 2021 997th ovs-code 🇩🇪 946 52 458ms 6 Jul 2022 997th Shanethegamer 🇺🇸 946 52 398ms 11 Jul 2022 997th tkr-sh 🇰🇵 946 52 421ms 14 Jul 2022 997th ZakkkkAttackkkk 🇵🇭 946 52 402ms 26 Jul 2022 997th 5quiwyrm 946 52 413ms 31 Aug 2022 997th Alex-x90 🇺🇸 946 52 389ms 17 Oct 2022 997th trist224 🇫🇷 946 52 393ms 9 Nov 2022 997th oceko 946 52 405ms 26 Nov 2022 997th astdefu 946 52 414ms 10 Dec 2022 997th Betuaredead 946 52 402ms 4 Jan 2023 997th Yewzir 🇧🇪 946 52 397ms 5 Feb 2023 997th adyache 🇺🇸 946 52 402ms 30 Apr 2023 997th speles 🇺🇦 946 52 424ms 12 Nov 2023 997th kkoenig 946 52 402ms 22 Dec 2023 997th voytxt 🇨🇿 946 52 413ms 26 Jan 2024 997th duckyluuk 🇳🇱 946 52 419ms 9 Apr 2024 997th error256 946 52 389ms 10 May 2024 997th CaedenHarper 🇨🇦 946 52 390ms 16 Jan 2025 997th wiz0u 946 52 396ms 18 Jan 2025 997th Natanaelel 🇸🇪 946 52 409ms 24 Jan 2025 997th emgordon154 946 52 418ms 1 Jun 2025 997th Maximizer02 946 52 392ms 17 Sep 2025 997th cmddog 946 52 419ms 17 Sep 2025 997th LordSir101 946 52 426ms 18 Sep 2025 997th albanian-laundromat 946 52 398ms 30 Oct 2025 997th Soyo-Wind 946 52 386ms 3 Nov 2025 997th solisolu 946 52 416ms 21 Nov 2025 997th Andrey2001 946 52 418ms 24 Nov 2025 997th KasperKivimaeki 🇫🇮 946 52 441ms 26 Nov 2025 997th Pyroan 946 52 464ms 17 Dec 2025 997th FlyingPenguin223 946 52 404ms 17 days ago 1,040th AdrienHache 🇫🇷 944 35 49ms 16 Nov 2024 First Prev 961–1,040 of 9,773 Next Last