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 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 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 Multitap Input 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 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 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 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 Multitap Input 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 Chars Time Submitted 238th phpboyscout 689 74 387ms 27 Apr 2023 238th azure-blondon 689 74 408ms 5 May 2024 243rd mort607e 680 75 391ms 21 Nov 2021 243rd lesserfish 680 75 367ms 21 Nov 2021 245th mykroft42 671 76 399ms 21 Nov 2021 246th daviddostal 654 78 444ms 21 Nov 2021 246th joll05 🇸🇪 654 78 398ms 21 Nov 2021 246th hacktick 654 78 388ms 22 Mar 2022 246th malworthy 654 78 410ms 13 Oct 2023 246th brimstonetrader 654 78 405ms 5 Jan 2024 251st hklemp 🇩🇪 646 79 429ms 21 Nov 2021 251st MarkStockwellZA 646 79 423ms 4 Jan 2022 251st ElysiaVesper 646 79 411ms 19 Nov 2023 251st JesseNoEyes 🇺🇸 646 79 395ms 25 Sep 2024 251st qrakhen 646 79 422ms 5 Nov 2025 256th neptuwunium 630 81 420ms 16 Dec 2021 256th brianonymous 630 81 377ms 30 Jul 2022 256th KiwiLT 630 81 381ms 14 Nov 2022 259th lilyyy411 622 82 406ms 21 Nov 2021 260th ClFeSc 607 84 408ms 3 Aug 2022 261st Lizard314 600 85 395ms 21 Nov 2021 262nd mduckles 593 86 397ms 18 Nov 2022 263rd c0d3-4-F00d 🇩🇪 586 87 411ms 21 Nov 2021 263rd Rambso 586 87 401ms 28 Mar 2025 265th dillon-duncando 580 88 447ms 21 Dec 2021 266th mihaits 573 89 399ms 21 Nov 2021 266th apocriva 573 89 409ms 24 Nov 2023 268th JacobStanleyJones 567 90 407ms 21 Mar 2022 269th bschorno 560 91 389ms 29 Jul 2022 270th BradSissons 🇳🇿 554 92 417ms 21 Nov 2021 270th Xeoneid 554 92 424ms 21 Nov 2021 270th zaekyo 554 92 381ms 5 Jul 2022 270th Smetalo 554 92 408ms 24 Aug 2022 274th oschmidh 548 93 410ms 21 Nov 2021 274th sech1p 🇵🇱 548 93 382ms 21 Nov 2021 274th rifatx 548 93 394ms 24 Jul 2024 277th aske0778 543 94 384ms 21 Nov 2021 277th RockOfStone 543 94 413ms 23 Mar 2024 277th BeansMage42 543 94 421ms 29 Dec 2024 280th ze-h 🇺🇸 531 96 397ms 12 Jan 2022 280th cingulataluke 531 96 409ms 2 Jun 2024 280th Emilioso007 531 96 410ms 23 days ago 283rd pikti 515 99 416ms 21 Nov 2021 283rd artisiole 🇺🇸 515 99 403ms 24 Mar 2024 283rd johannes-looney-lizard 515 99 396ms 29 Apr 2025 286th mhayesm 510 100 386ms 21 Nov 2021 286th Robbe7730 510 100 386ms 21 Nov 2021 288th Jennifervl 🇸🇪 505 101 392ms 10 Dec 2021 288th uncertaain 505 101 383ms 28 Dec 2023 290th tbschff 500 102 380ms 15 Apr 2022 291st richard-oelze 🇩🇪 490 104 424ms 24 Jan 2021 292nd tik25 486 105 397ms 28 Mar 2024 293rd wescombs10 481 106 405ms 30 Oct 2022 293rd lbussell 481 106 441ms 16 Dec 2022 295th NovemberOrWhatever 477 107 413ms 6 Nov 2022 295th bilal2709 477 107 430ms 13 Aug 2025 295th Melvovin 477 107 407ms 3 days ago 298th Mortistar 472 108 406ms 18 Jul 2023 299th iPablol 468 109 396ms 25 Oct 2023 300th johnlowerytn 447 114 421ms 30 Dec 2024 301st sm1lko 440 116 391ms 12 Oct 2022 302nd sd-tang 🇦🇺 436 117 383ms 12 Dec 2021 302nd gpikmddk 436 117 424ms 17 Oct 2022 304th Noah-Fox 432 118 410ms 1 Jun 2022 305th arctouch-kseniyagaripova 429 119 420ms 9 Nov 2022 306th DaCuteRaccoon 421 121 419ms 28 Apr 2022 307th Anthony-Williams-06 411 124 382ms 30 Nov 2022 307th od86 411 124 432ms 12 Nov 2025 309th abailey2020 🇺🇸 408 125 436ms 21 Nov 2021 310th AwexoTeam 398 128 422ms 17 Jul 2025 311th Endoxos0 381 134 403ms 2 Sep 2022 312th RobertEves92 🇬🇧 372 137 421ms 8 Aug 2023 313th BarisYildiz 367 139 398ms 21 Nov 2021 314th Philipuss1 362 141 414ms 21 Nov 2021 315th arthvr9 359 142 422ms 23 Oct 2024 316th sandbxk 347 147 412ms 24 Aug 2022 317th mwarvik 🇳🇴 336 152 355ms 15 days ago 318th jsermini2 333 153 383ms 21 Nov 2021 319th hdformat 331 154 418ms 21 Nov 2021 320th brandon-04 307 166 417ms 12 Nov 2025 First Prev 241–320 of 328 Next Last