Fibonacci in C# in chars. 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) 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab 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) 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 Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 240th xbxbxb007 699 73 407ms 11 Jan 2024 242nd ezrillex 689 74 415ms 21 Nov 2021 242nd HassanAliKadhem 🇧🇭 689 74 440ms 16 Jan 2022 242nd lalkkot 689 74 391ms 29 Apr 2022 242nd phpboyscout 689 74 405ms 27 Apr 2023 242nd azure-blondon 689 74 414ms 5 May 2024 247th mort607e 680 75 391ms 21 Nov 2021 247th lesserfish 680 75 412ms 21 Nov 2021 249th mykroft42 671 76 433ms 21 Nov 2021 250th daviddostal 654 78 383ms 21 Nov 2021 250th joll05 🇸🇪 654 78 420ms 21 Nov 2021 250th hacktick 654 78 428ms 22 Mar 2022 250th malworthy 654 78 419ms 13 Oct 2023 250th brimstonetrader 654 78 400ms 5 Jan 2024 255th hklemp 🇩🇪 646 79 421ms 21 Nov 2021 255th MarkStockwellZA 646 79 426ms 4 Jan 2022 255th ElysiaVesper 646 79 390ms 19 Nov 2023 255th JesseNoEyes 🇺🇸 646 79 390ms 25 Sep 2024 255th qrakhen 646 79 438ms 5 Nov 2025 260th brianonymous 630 81 426ms 30 Jul 2022 260th KiwiLT 630 81 400ms 14 Nov 2022 262nd lilyyy411 622 82 420ms 21 Nov 2021 263rd ClFeSc 607 84 393ms 3 Aug 2022 264th Lizard314 600 85 420ms 21 Nov 2021 265th mduckles 593 86 414ms 18 Nov 2022 266th c0d3-4-F00d 🇩🇪 586 87 406ms 21 Nov 2021 266th Rambso 586 87 424ms 28 Mar 2025 268th dillon-duncando 580 88 424ms 21 Dec 2021 269th mihaits 573 89 426ms 21 Nov 2021 269th apocriva 573 89 437ms 24 Nov 2023 271st JacobStanleyJones 567 90 416ms 21 Mar 2022 272nd bschorno 560 91 434ms 29 Jul 2022 273rd BradSissons 🇳🇿 554 92 424ms 21 Nov 2021 273rd Xeoneid 554 92 436ms 21 Nov 2021 273rd zaekyo 554 92 402ms 5 Jul 2022 273rd Smetalo 554 92 437ms 24 Aug 2022 277th oschmidh 548 93 412ms 21 Nov 2021 277th elizj3 🇵🇱 548 93 404ms 21 Nov 2021 277th rifatx 548 93 416ms 24 Jul 2024 280th aske0778 543 94 405ms 21 Nov 2021 280th RockOfStone 543 94 399ms 23 Mar 2024 280th BeansMage42 543 94 423ms 29 Dec 2024 283rd ze-h 🇺🇸 531 96 416ms 12 Jan 2022 283rd cingulataluke 531 96 408ms 2 Jun 2024 283rd Emilioso007 531 96 443ms 28 Dec 2025 286th pikti 515 99 433ms 21 Nov 2021 286th artisiole 🇺🇸 515 99 430ms 24 Mar 2024 286th johannes-looney-lizard 515 99 403ms 29 Apr 2025 289th mhayesm 510 100 414ms 21 Nov 2021 289th Robbe7730 510 100 409ms 21 Nov 2021 291st Jennifervl 🇸🇪 505 101 434ms 10 Dec 2021 291st uncertaain 505 101 419ms 28 Dec 2023 293rd tbschff 500 102 423ms 15 Apr 2022 294th richard-oelze 🇩🇪 490 104 422ms 24 Jan 2021 295th tik25 486 105 412ms 28 Mar 2024 296th wescombs10 481 106 414ms 30 Oct 2022 296th lbussell 481 106 459ms 16 Dec 2022 298th NovemberOrWhatever 477 107 395ms 6 Nov 2022 298th bilal2709 477 107 380ms 13 Aug 2025 298th Melvovin 477 107 440ms 17 Jan 2026 301st Mortistar 472 108 413ms 18 Jul 2023 302nd iPablol 468 109 419ms 25 Oct 2023 303rd flekAI 459 111 404ms 4 days ago 304th johnlowerytn 447 114 438ms 30 Dec 2024 305th sm1lko 440 116 396ms 12 Oct 2022 306th sd-tang 🇦🇺 436 117 407ms 12 Dec 2021 306th gpikmddk 436 117 436ms 17 Oct 2022 308th Noah-Fox 432 118 390ms 1 Jun 2022 309th arctouch-kseniyagaripova 429 119 443ms 9 Nov 2022 310th DaCuteRaccoon 421 121 441ms 28 Apr 2022 311th Anthony-Williams-06 411 124 414ms 30 Nov 2022 311th od86 411 124 444ms 12 Nov 2025 313th abailey2020 🇺🇸 408 125 457ms 21 Nov 2021 314th AwexoTeam 398 128 454ms 17 Jul 2025 315th Endoxos0 381 134 444ms 2 Sep 2022 316th RobertEves92 🇬🇧 372 137 433ms 8 Aug 2023 317th BarisYildiz 367 139 435ms 21 Nov 2021 318th Philipuss1 362 141 407ms 21 Nov 2021 319th arthvr9 359 142 421ms 23 Oct 2024 320th sandbxk 347 147 455ms 24 Aug 2022 First Prev 241–320 of 334 Next Last