Fibonacci in C# 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 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 ArkScript 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 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 Gray Code Decoder Gray Code Encoder 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) Taxicab Numbers 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 Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers Huffman Encoder NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 201st muztanger 797 64 404ms 21 Nov 2021 201st Xwilarg 🇫🇷 797 64 363ms 21 Nov 2021 201st Ripick 797 64 406ms 30 Apr 2023 201st usernamethatisnttaken 797 64 404ms 6 Sep 2023 205th Andre3582 785 65 409ms 21 Nov 2021 205th enbyte 785 65 380ms 21 Nov 2021 205th MLPdiscord 785 65 358ms 6 Jan 2022 205th Nickmiste 785 65 387ms 13 Nov 2022 205th mqyhlkahu 785 65 363ms 10 Sep 2023 205th trinityy-7 785 65 412ms 6 Mar 2024 205th msbranicky 785 65 388ms 3 Jul 2024 212th aaronze 🇦🇺 773 66 374ms 21 Nov 2021 212th elephantpanda 773 66 372ms 26 Aug 2022 212th eshilo-draper 773 66 382ms 5 Oct 2022 212th heanyang1 773 66 408ms 22 Apr 2025 212th jacekwladzinski 773 66 395ms 2 Oct 2025 212th dpethes 773 66 422ms 10 Dec 2025 218th TheMickeyMouse 761 67 449ms 21 Nov 2021 218th aDwarfNamedUrist 761 67 390ms 21 Nov 2022 218th glatzert 761 67 414ms 12 May 2023 218th Sciman101 761 67 378ms 15 May 2023 218th eiburns 761 67 407ms 7 Sep 2023 218th rollershutter 761 67 461ms 29 Jan 2025 218th kevinnaviapaiva 761 67 394ms 19 Feb 2025 225th jcheritat 750 68 368ms 21 Nov 2021 225th PhonicCanine 750 68 388ms 21 Nov 2021 225th Gpopcorn 750 68 365ms 31 Mar 2022 225th Mortis66666 750 68 386ms 27 May 2022 225th 104210 750 68 356ms 12 Sep 2022 225th Pyro569 750 68 396ms 31 Jul 2023 231st martinnorling 🇸🇪 739 69 375ms 15 Feb 2022 231st PyryL 🇫🇮 739 69 362ms 23 Aug 2024 231st Flix7dev 🇧🇪 739 69 363ms 21 Oct 2025 234th Skellybob56 729 70 426ms 10 Nov 2025 235th Cbrt74088 718 71 356ms 21 Nov 2021 235th MrGraduate 718 71 364ms 21 Nov 2021 235th ccolella-mdc 718 71 351ms 12 Oct 2023 235th Zach1031 718 71 410ms 25 days ago 239th charliegaming 708 72 376ms 3 Oct 2023 239th jtaxen 708 72 351ms 30 Mar 2024 239th JarrodCope 708 72 387ms 19 Apr 2024 242nd ericlangedijk 🇸🇮 699 73 372ms 6 Mar 2022 242nd xbxbxb007 699 73 380ms 11 Jan 2024 244th ezrillex 689 74 375ms 21 Nov 2021 244th HassanAliKadhem 🇧🇭 689 74 376ms 16 Jan 2022 244th lalkkot 689 74 378ms 29 Apr 2022 244th phpboyscout 689 74 370ms 27 Apr 2023 244th azure-blondon 689 74 367ms 5 May 2024 244th Jonson26 689 74 374ms 13 days ago 250th mort607e 680 75 361ms 21 Nov 2021 250th lesserfish 680 75 374ms 21 Nov 2021 252nd mykroft42 671 76 423ms 21 Nov 2021 253rd daviddostal 654 78 409ms 21 Nov 2021 253rd joll05 🇸🇪 654 78 389ms 21 Nov 2021 253rd hacktick 654 78 381ms 22 Mar 2022 253rd malworthy 654 78 391ms 13 Oct 2023 253rd brimstonetrader 654 78 347ms 5 Jan 2024 258th hklemp 🇩🇪 646 79 412ms 21 Nov 2021 258th MarkStockwellZA 646 79 388ms 4 Jan 2022 258th ElysiaVesper 646 79 371ms 19 Nov 2023 258th JesseNoEyes 🇺🇸 646 79 485ms 25 Sep 2024 258th qrakhen 646 79 438ms 5 Nov 2025 263rd brianonymous 630 81 374ms 30 Jul 2022 263rd KiwiLT 630 81 376ms 14 Nov 2022 265th lilyyy411 622 82 412ms 21 Nov 2021 266th ClFeSc 607 84 392ms 3 Aug 2022 267th Lizard314 600 85 372ms 21 Nov 2021 268th mduckles 593 86 368ms 18 Nov 2022 269th c0d3-4-F00d 🇩🇪 586 87 403ms 21 Nov 2021 269th Rambso 586 87 431ms 28 Mar 2025 271st dillon-duncando 580 88 393ms 21 Dec 2021 272nd mihaits 573 89 379ms 21 Nov 2021 272nd apocriva 573 89 399ms 24 Nov 2023 274th JacobStanleyJones 567 90 386ms 21 Mar 2022 275th bschorno 560 91 406ms 29 Jul 2022 276th BradSissons 🇳🇿 554 92 412ms 21 Nov 2021 276th Xeoneid 554 92 400ms 21 Nov 2021 276th zaekyo 554 92 399ms 5 Jul 2022 276th Smetalo 554 92 399ms 24 Aug 2022 280th oschmidh 548 93 399ms 21 Nov 2021 280th elizj3 🇵🇱 548 93 388ms 21 Nov 2021 280th rifatx 548 93 428ms 24 Jul 2024 283rd aske0778 543 94 399ms 21 Nov 2021 283rd RockOfStone 543 94 374ms 23 Mar 2024 283rd BeansMage42 543 94 397ms 29 Dec 2024 286th ze-h 🇺🇸 531 96 369ms 12 Jan 2022 286th cingulataluke 531 96 440ms 2 Jun 2024 286th Emilioso007 531 96 430ms 28 Dec 2025 289th pikti 515 99 423ms 21 Nov 2021 289th artisiole 🇺🇸 515 99 373ms 24 Mar 2024 289th johannes-looney-lizard 515 99 414ms 29 Apr 2025 292nd mhayesm 510 100 365ms 21 Nov 2021 292nd Robbe7730 510 100 360ms 21 Nov 2021 294th Jennifervl 🇸🇪 505 101 355ms 10 Dec 2021 294th uncertaain 505 101 376ms 28 Dec 2023 296th tbschff 500 102 381ms 15 Apr 2022 297th richard-oelze 🇩🇪 490 104 445ms 24 Jan 2021 298th tik25 486 105 390ms 28 Mar 2024 299th wescombs10 481 106 398ms 30 Oct 2022 299th lbussell 481 106 401ms 16 Dec 2022 First Prev 201–300 of 335 Next Last