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 145th astdefu 943 35 9ms 10 Dec 2022 145th cefqrn 943 35 9ms 8 Jan 2023 145th randolchance 943 35 9ms 19 Jan 2023 145th niklv 🇷🇺 943 35 9ms 21 Jan 2023 145th Adix-null 🇱🇹 943 35 9ms 4 Jul 2023 145th owen-c-parker 🇺🇸 943 35 10ms 28 Jul 2023 145th Tenclea 943 35 9ms 24 Aug 2023 145th speles 🇺🇦 943 35 9ms 12 Nov 2023 145th Herbert00709 🇵🇱 943 35 10ms 19 Nov 2023 145th dylanarmstrong 943 35 9ms 12 Dec 2023 145th Mandrzejy 🇵🇱 943 35 10ms 27 Mar 2024 145th R4z0rX 943 35 9ms 24 Aug 2024 145th XenThe 🇬🇧 943 35 8ms 14 Jul 2025 145th timhaj 🇸🇮 943 35 11ms 12 Sep 2025 145th Andrey2001 943 35 9ms 24 Nov 2025 145th Lv0Sys 🇵🇱 943 35 9ms 27 Nov 2025 145th albanian-laundromat 943 35 9ms 20 Jan 2026 145th madeforlosers 943 35 9ms 17 Feb 2026 145th plcc0 943 35 8ms 24 Feb 2026 180th jakobwitte 917 36 9ms 19 Apr 2018 180th Brassawiking 917 36 10ms 22 Jul 2018 180th caasinehc 917 36 9ms 16 Oct 2018 180th ehouais 917 36 10ms 19 Oct 2018 180th ly0va 917 36 9ms 15 Jan 2019 180th ravenblackx 917 36 9ms 1 Feb 2019 180th nhaynes84 917 36 8ms 14 Feb 2019 180th kevokevol 917 36 9ms 28 Apr 2019 180th KrausRaus 🇺🇸 917 36 10ms 28 Aug 2019 180th Johannesd3 917 36 10ms 5 Apr 2020 180th bac0id 917 36 10ms 17 Jun 2020 180th Kibble 917 36 8ms 11 Jul 2020 180th itsh01 917 36 9ms 12 Jul 2020 180th thisishowmymindworks 🇳🇴 917 36 9ms 5 Aug 2020 180th ToriTheChicken 917 36 9ms 9 Aug 2020 180th yzhs 🇩🇪 917 36 9ms 20 Aug 2020 180th tscherter 917 36 9ms 6 Dec 2020 180th petreleon 917 36 9ms 21 Dec 2020 180th boxjelly 917 36 10ms 13 Feb 2021 180th Re-Adventures 🇮🇳 917 36 9ms 17 Mar 2021 180th ktiy 917 36 9ms 19 Apr 2021 180th ScottHamper 917 36 9ms 22 May 2021 180th MichaelMBradley 🇨🇦 917 36 8ms 21 Mar 2022 180th tkr-sh 🇰🇵 917 36 9ms 14 Jul 2022 180th BlobTheKat 917 36 9ms 18 Jul 2022 180th Setvizan 917 36 9ms 6 Jan 2023 180th piano-miles 917 36 9ms 18 Feb 2023 180th rniii 917 36 9ms 19 Oct 2023 180th olleicua 🇺🇸 917 36 9ms 10 Jan 2024 180th mathisfun271 917 36 9ms 19 Feb 2024 180th IlkkaTakala 917 36 9ms 29 Apr 2024 180th hacker112 🇸🇪 917 36 9ms 14 Jun 2024 180th eMGeeneer 917 36 9ms 31 Jul 2024 180th smclaughlin-cf 917 36 10ms 19 Feb 2025 180th attila8192 917 36 10ms 4 Mar 2025 180th wolftxt 917 36 9ms 14 Jul 2025 180th dokutan 917 36 9ms 17 Nov 2025 217th p01 892 37 9ms 1 Jan 2018 217th ScheintodX 892 37 9ms 16 Mar 2018 217th Nash171 892 37 9ms 11 Aug 2018 217th GitaMonster 892 37 10ms 8 Sep 2018 217th tianshuo 892 37 9ms 19 Jun 2019 217th mrxz 🇳🇱 892 37 8ms 27 Jun 2019 217th dymowski 892 37 9ms 11 Jan 2020 217th leo-ard 892 37 8ms 18 Jul 2020 217th cbondurant 892 37 10ms 26 Jul 2020 217th PatrickStephansen 🇿🇦 892 37 9ms 24 Aug 2020 217th revlayle 🇺🇸 892 37 9ms 22 Feb 2021 217th Dazza314 🇬🇧 892 37 9ms 15 Apr 2021 217th Luj8n 892 37 9ms 1 Jun 2021 217th Foxinatel 892 37 9ms 21 Aug 2021 217th devinwelch 892 37 9ms 7 Oct 2021 217th MathisBullinger 892 37 9ms 13 Nov 2021 217th uttumuttu 🇫🇮 892 37 9ms 4 Jan 2022 217th stefangabos 🇷🇴 892 37 10ms 22 Aug 2022 217th MadScience137 892 37 10ms 18 Oct 2022 217th coreynash 892 37 9ms 9 Nov 2022 217th jhpaques 🇫🇷 892 37 10ms 3 Dec 2022 217th retrohun 892 37 9ms 27 Dec 2022 217th Naruyoko 892 37 9ms 6 Mar 2023 217th blobotic 892 37 9ms 13 Jun 2023 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