Fibonacci in JavaScript 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 558th MechaFinch 688 48 10ms 19 Feb 2019 558th TTWNO 688 48 10ms 15 Apr 2019 558th jrburga 688 48 11ms 18 Nov 2019 558th marekMin 688 48 10ms 10 Jun 2020 558th nico-bachner 688 48 10ms 28 Dec 2020 558th LakeThomason 688 48 11ms 1 Jun 2021 558th hymanimy 688 48 10ms 27 Jul 2021 558th delgoodie 688 48 9ms 19 Oct 2021 558th CutOffFrequency 688 48 10ms 31 Oct 2022 558th Weston49 688 48 10ms 11 Dec 2022 558th Baxi-codes 688 48 10ms 25 Dec 2022 558th fkantelberg 688 48 10ms 15 Jul 2023 558th Posandu 688 48 10ms 23 Sep 2023 558th azure-blondon 688 48 10ms 15 Jul 2024 558th abhishekg999 688 48 12ms 21 Sep 2024 558th gigaprofisi 🇺🇸 688 48 9ms 5 Nov 2025 577th ArturLange 673 49 10ms 31 Aug 2018 577th felixpackard 673 49 10ms 16 Mar 2020 577th hvanderdys 673 49 10ms 10 Sep 2020 577th stadamdoki 673 49 10ms 12 Apr 2021 577th cubedhuang 673 49 10ms 23 Mar 2022 577th cmoedk 673 49 9ms 5 Nov 2022 577th Florian-Mt 673 49 10ms 20 Nov 2023 577th SrGalletaEXT 673 49 10ms 22 Jul 2024 577th xShadowBlade 673 49 9ms 24 Nov 2024 577th Charlie85270 673 49 11ms 25 Jun 2025 587th petewritescode 660 50 9ms 14 Dec 2018 587th rzhade3 660 50 10ms 22 May 2020 587th taimanh229 660 50 11ms 31 Dec 2020 587th MichalMarsalek 🇨🇿 660 50 11ms 29 Nov 2021 587th fitzdotlol 🇺🇸 660 50 10ms 18 Feb 2022 587th Bonjour27891 🇻🇳 660 50 9ms 12 Mar 2022 587th jlivas 660 50 12ms 1 Jul 2022 587th tse-jp 🇯🇵 660 50 10ms 30 Nov 2022 587th tuxillator 660 50 11ms 15 Dec 2022 587th lucipas 660 50 11ms 8 May 2024 587th Vexxter9 🇳🇱 660 50 14ms 20 Sep 2024 587th allistersascha 660 50 10ms 11 Oct 2024 587th Dddatt 660 50 10ms 9 Jan 2025 587th Zach1031 660 50 9ms 15 Nov 2025 601st genius257 647 51 10ms 23 Mar 2018 601st stanley-c-so 647 51 11ms 4 Oct 2019 601st Jumprocks1 647 51 9ms 11 Feb 2020 601st jn-lp 🇺🇦 647 51 11ms 31 Oct 2020 601st RedstoneTim 647 51 11ms 26 Jun 2021 601st rdscott-vrsk 647 51 10ms 12 May 2023 601st Ralac07 🇦🇺 647 51 10ms 18 Apr 2025 608th bobesa 635 52 25ms 16 Oct 2017 608th xen-the 635 52 10ms 10 Oct 2018 608th Caylyn 635 52 9ms 22 Dec 2018 608th joeytwiddle 635 52 55ms 4 Feb 2019 608th phillygogo 635 52 10ms 5 Jun 2019 608th wouterraateland 635 52 10ms 8 Jul 2019 608th pg98 635 52 9ms 4 Sep 2019 608th paavohuhtala 635 52 27ms 4 Jan 2020 608th jankaifer 635 52 28ms 8 Aug 2020 608th lowlighter 635 52 27ms 30 Oct 2020 608th 102 635 52 11ms 18 Nov 2020 608th arrudagates 635 52 25ms 23 Jun 2021 608th teofum 635 52 28ms 8 Mar 2022 608th mamamia5x 635 52 41ms 8 Mar 2024 608th junkondo-jp 635 52 64ms 6 May 2024 608th Sinescape 635 52 9ms 16 Sep 2024 608th shandriy 635 52 27ms 23 Jan 2026 625th johnennewdeeson 623 53 11ms 16 Oct 2017 625th someone12346 623 53 26ms 1 Apr 2018 625th gunnermanx 623 53 11ms 4 Jan 2019 625th frankviktorfrank 623 53 12ms 26 Mar 2019 625th gjbianco 623 53 27ms 27 May 2019 625th dzablo 623 53 30ms 4 Sep 2019 625th adoxography 623 53 27ms 16 Sep 2019 625th quentincaffeino 623 53 26ms 4 Jun 2020 625th jchitel 623 53 27ms 24 Sep 2020 625th ffflorian 623 53 28ms 23 Nov 2020 625th IAmYhvr 623 53 26ms 6 Feb 2021 625th gnlow 🇰🇷 623 53 37ms 15 Feb 2021 625th ForkKILLET 🇨🇳 623 53 27ms 18 Feb 2021 625th PGPereira 623 53 27ms 27 Mar 2021 625th PlutonianHacker 623 53 10ms 9 Jul 2021 625th ereztaiar 🇮🇱 623 53 36ms 12 Aug 2021 First Prev 561–640 of 875 Next Last