Fibonacci in Rust 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 ><> ALGOL 68 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 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 ><> ALGOL 68 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 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 Continued Fractions 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four 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 81st ktiy 889 72 118ms 2 Jun 2021 81st CarsonChr 🇺🇸 889 72 116ms 22 Dec 2023 81st ndren 889 72 121ms 3 Jan 2024 81st wuzekai518 889 72 124ms 5 Aug 2024 81st KasperKivimaeki 🇫🇮 889 72 112ms 27 Nov 2025 81st nyoshe 889 72 119ms 5 Feb 2026 87th Juici 877 73 113ms 17 Sep 2020 87th tnecio 877 73 117ms 3 Jul 2021 87th CornerMercury 🇬🇧 877 73 118ms 6 Aug 2023 87th Jacob385 877 73 122ms 26 Mar 2024 87th Maximizer02 877 73 117ms 14 Jan 2025 87th vidanm 🇫🇷 877 73 129ms 6 Jun 2025 93rd marcin7Cd 865 74 118ms 8 Oct 2020 93rd goodingc 865 74 115ms 2 Oct 2021 93rd klixel 🇨🇦 865 74 116ms 6 Dec 2022 93rd Re-Adventures 🇮🇳 865 74 117ms 4 Jan 2023 93rd markusgraube 865 74 120ms 3 May 2024 98th cure-honey 🇯🇵 853 75 125ms 26 Jun 2021 98th Eolu 853 75 122ms 20 Jan 2022 98th Anonymousellama21 853 75 124ms 11 Feb 2022 98th sona-tau 853 75 116ms 16 Aug 2023 98th Xzyaihni 853 75 119ms 11 Feb 2024 98th madeforlosers 853 75 118ms 22 Nov 2024 98th bknower 853 75 120ms 3 Jul 2025 98th Yax42 🇫🇷 853 75 113ms 4 Oct 2025 98th Andrey2001 853 75 128ms 25 Jan 2026 107th derderder77 842 76 136ms 4 Jan 2020 107th dbdr 842 76 133ms 5 Jan 2020 107th Domicnt 842 76 116ms 11 Jun 2020 107th 0xjac 🇨🇭 842 76 126ms 14 Jun 2020 107th roflolilolmao 842 76 118ms 14 Jun 2020 107th KatieLG 🇬🇧 842 76 118ms 29 Nov 2020 107th janbehrens 🇩🇪 842 76 116ms 2 Jan 2021 107th BBoehm 🇩🇪 842 76 121ms 7 Jan 2021 107th JGDoerrer 842 76 118ms 15 Feb 2022 107th 0x00A 842 76 114ms 14 Oct 2022 107th aDwarfNamedUrist 842 76 123ms 12 Dec 2022 107th georgehulme 842 76 115ms 9 Oct 2023 107th okaponta 842 76 112ms 11 Jan 2024 107th mathisfun271 842 76 116ms 21 Feb 2024 107th madex 🇩🇪 842 76 119ms 9 Jul 2024 107th dokutan 842 76 116ms 24 Jul 2024 107th wh3n3v3r 🇨🇿 842 76 126ms 15 Nov 2024 107th fgrosshans 🇫🇷 842 76 132ms 11 May 2025 107th Mabeloid 🇳🇴 842 76 108ms 31 Oct 2025 107th LostSyntax21 🇬🇧 842 76 122ms 30 Nov 2025 127th germania 831 77 118ms 5 Jan 2020 127th yzhs 🇩🇪 831 77 117ms 1 Feb 2020 127th kmaork 🇮🇱 831 77 123ms 14 Mar 2020 127th vukonen 831 77 127ms 14 Sep 2020 127th jiaminglimjm 🇲🇾 831 77 121ms 3 Jan 2021 127th Indivicivet 831 77 116ms 24 Mar 2021 127th Bubbler-4 831 77 124ms 3 Nov 2021 127th Alex-x90 🇺🇸 831 77 116ms 2 Jan 2023 127th Adix-null 🇱🇹 831 77 127ms 4 Jul 2023 127th HumanoidCPU 831 77 119ms 18 Apr 2024 137th boxjelly 821 78 115ms 10 Feb 2021 137th bac0id 821 78 119ms 18 Oct 2021 137th AnnoyedArt1256 821 78 127ms 23 Jan 2022 137th Mortis66666 821 78 110ms 9 Jun 2022 137th MichaelMBradley 🇨🇦 821 78 122ms 21 Jul 2022 137th 201170 821 78 115ms 29 Jul 2022 137th raphaelimahorn 821 78 115ms 3 Oct 2022 137th jhpaques 🇫🇷 821 78 119ms 3 Dec 2022 137th Betuaredead 821 78 121ms 4 Jan 2023 137th Sciman101 821 78 127ms 15 May 2023 137th Andriamanitra 🇫🇮 821 78 121ms 13 Jul 2023 137th msbranicky 821 78 128ms 1 Oct 2023 137th IndustrialComet 821 78 116ms 18 Oct 2023 137th Just4FunCoder 821 78 120ms 26 Aug 2024 137th The3gs 821 78 115ms 25 Jan 2025 137th jacekwladzinski 821 78 119ms 2 Oct 2025 137th albanian-laundromat 821 78 118ms 29 Jan 2026 154th fajost 810 79 121ms 2 Sep 2020 154th lilyyy411 810 79 118ms 10 Sep 2021 154th TheRealOhead 🇺🇸 810 79 117ms 17 Mar 2022 154th Cloakless 🇬🇧 810 79 125ms 17 Feb 2023 154th dylanarmstrong 810 79 118ms 12 Dec 2023 154th xyangst 810 79 130ms 5 Oct 2024 154th desecaw13 810 79 120ms 24 Jan 2025 First Prev 81–160 of 261 Next Last