Fibonacci in C# 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 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 Snake Sphenic Numbers Trinomial Triangle 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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 41st cmddog 981 52 3 hours ago 77th bac0id 962 53 21 Nov 2021 77th daniel-skalik 🇨🇿 962 53 21 Nov 2021 77th jmhowl 962 53 21 Nov 2021 77th pallbo 962 53 21 Nov 2021 77th revlayle 🇺🇸 962 53 21 Nov 2021 77th ScottHamper 962 53 21 Nov 2021 77th theentropic 962 53 21 Nov 2021 77th KrausRaus 🇺🇸 962 53 15 Dec 2021 77th Re-Adventures 🇮🇳 962 53 15 Feb 2022 77th hemphen 962 53 30 Aug 2022 77th jhpaques 🇫🇷 962 53 3 Dec 2022 77th annaproxy 962 53 22 Jan 2023 77th nesrak1 962 53 12 Oct 2024 77th plcc0 962 53 28 Mar 2025 91st AdrialaD 944 54 21 Nov 2021 91st aliakseikalosha 944 54 21 Nov 2021 91st cros107 🇦🇺 944 54 21 Nov 2021 91st iznax 944 54 21 Nov 2021 91st simon-biber 944 54 5 Feb 2022 91st scpchicken 🇵🇼 944 54 6 Jul 2022 91st arctouch-sergeymetlov 944 54 30 Jan 2023 91st arctouch-cristiannevianna 944 54 30 Jan 2023 91st Adix-null 🇱🇹 944 54 4 Jul 2023 91st BREMAUCY 🇫🇷 944 54 18 Jul 2023 91st mathisfun271 944 54 21 Feb 2024 91st HumanoidCPU 944 54 16 Mar 2024 91st dokutan 944 54 24 Jul 2024 91st andrewjc2000 944 54 7 Mar 2025 91st Theremon72 944 54 12 Mar 2025 91st matejmatik123 🇸🇰 944 54 12 Aug 2025 107th Hankinabag 927 55 21 Nov 2021 107th Jeffreyvde 927 55 21 Nov 2021 107th Rens-br 927 55 21 Nov 2021 107th fredrik-bakke 🇳🇴 927 55 27 Mar 2022 107th Matgc04 927 55 31 May 2023 112th joelgduggan 911 56 21 Nov 2021 112th marcin7Cd 911 56 21 Nov 2021 112th pan4ever 911 56 21 Nov 2021 112th MichaelMBradley 🇨🇦 911 56 21 Mar 2022 112th hamhub7 911 56 5 Aug 2022 112th madeforlosers 911 56 22 Nov 2024 112th SwordF-Official 911 56 12 Apr 2025 112th blaztoma 🇱🇹 911 56 17 Aug 2025 120th Rhexis 895 57 21 Nov 2021 120th roavin 895 57 24 Jun 2022 120th Seanharrs 895 57 25 Aug 2022 120th Tavress 895 57 11 May 2023 120th postie77 895 57 19 May 2023 120th RandGuy 895 57 25 Jan 2024 120th ashtraypettingzoo 🇺🇸 895 57 19 Mar 2024 120th ertz1ertz 895 57 12 Jul 2024 120th gblikas 895 57 17 Aug 2024 120th arcpolaris 895 57 12 Dec 2024 120th CheeseCake628 🇳🇴 895 57 17 Jul 2025 120th Emutis 🇱🇹 895 57 16 Aug 2025 132nd AndrewSalls 879 58 21 Nov 2021 132nd aplato 879 58 21 Nov 2021 132nd stdstijn 879 58 21 Nov 2021 132nd magnusbakken 879 58 6 Dec 2021 132nd p-vf 🇨🇭 879 58 16 Jul 2022 132nd snoozingnewt 🇺🇸 879 58 23 Sep 2023 132nd neel11235813 879 58 26 Mar 2024 132nd Just4FunCoder 879 58 26 Aug 2024 132nd WalrusesAreAwesome 879 58 25 Mar 2025 141st kebal2 864 59 21 Nov 2021 141st tdkkdt 🇷🇺 864 59 21 Nov 2021 141st arctouch-andresato 864 59 11 Nov 2022 141st maki-chan 864 59 9 Jun 2023 141st LS2021 864 59 23 Nov 2023 141st acotis 864 59 11 Jan 2025 141st 123mjb 864 59 23 Jun 2025 141st albanian-laundromat 864 59 21 days ago 149th Bobini1 🇵🇱 850 60 21 Nov 2021 149th JDiLenarda 🇫🇷 850 60 21 Nov 2021 Prev 76–150 of 309 Next