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 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 Calendar 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 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 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 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 Calendar 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 641st TravisBumgarner 611 54 24ms 31 Jan 2019 641st theDigg 611 54 34ms 21 Jun 2019 641st guptaniraj93 611 54 9ms 30 Jul 2019 641st sobhanbera 611 54 8ms 22 Jun 2020 641st the-north-dev 611 54 9ms 28 Aug 2020 641st ashleylamont 611 54 9ms 24 Nov 2020 641st ytaki0801 🇯🇵 611 54 9ms 19 Jun 2021 641st uiamn 611 54 40ms 6 Sep 2022 641st 104210 611 54 9ms 14 Sep 2022 641st LeftPathLane 611 54 9ms 1 Nov 2022 641st JesseNoEyes 🇺🇸 611 54 8ms 25 Sep 2024 641st goodwyna21 611 54 24ms 5 Nov 2024 641st n3uromanc3r 611 54 24ms 3 Dec 2024 654th obadiar-zz 600 55 24ms 7 Oct 2017 654th robertDurst 600 55 24ms 7 Oct 2017 654th DanSmelly 600 55 8ms 25 Jun 2020 654th brownie-in-motion 600 55 8ms 11 Jul 2020 654th pedromcsousa 🇵🇹 600 55 24ms 30 Nov 2020 654th lewdev 🇺🇸 600 55 23ms 26 Jul 2021 654th mckymsh 600 55 9ms 1 Mar 2022 654th Gravitonic 600 55 9ms 15 Dec 2022 654th IchBinMichMarkus 600 55 9ms 11 Jul 2023 654th weleho 600 55 9ms 18 Sep 2023 654th A11yship 600 55 8ms 2 Nov 2023 654th RockOfStone 600 55 8ms 23 Mar 2024 654th ErikGXDev 600 55 9ms 26 Oct 2024 654th 4very 600 55 35ms 9 Jun 2025 668th d4rkne55 589 56 8ms 2 Mar 2018 668th pbarath 589 56 8ms 13 Apr 2021 668th Ashikpaul 🇮🇳 589 56 19ms 9 May 2021 668th hpr 589 56 19ms 13 Jun 2021 668th E2dgar 589 56 8ms 30 Jan 2022 668th Simon3995 🇳🇱 589 56 9ms 10 Mar 2022 668th aneurin-h 589 56 9ms 22 Nov 2022 668th griffinschreiber 589 56 9ms 30 Oct 2024 668th MID246 589 56 9ms 14 Nov 2024 668th Laellekoenig 589 56 26ms 28 Oct 2025 678th jacobsmith 579 57 24ms 21 Jan 2019 678th phpboyscout 579 57 9ms 3 Sep 2019 678th jling90 579 57 55ms 16 Dec 2019 678th maximevredeveld 579 57 8ms 17 Jan 2021 678th kungozan 579 57 9ms 29 Mar 2021 678th benStre 579 57 19ms 19 Feb 2022 678th TheCod-r 🇦🇶 579 57 9ms 26 Feb 2023 678th blaircalderwood 579 57 8ms 25 Oct 2023 686th rkichenama 569 58 25ms 26 Feb 2018 686th sharabiania 569 58 25ms 27 Feb 2018 686th davidbutt 569 58 8ms 26 Jul 2018 686th visvirial 569 58 9ms 19 Dec 2018 686th tadeokondrak 569 58 26ms 27 Apr 2019 686th vladyslavprosolupov 569 58 27ms 30 May 2019 686th Koljenka 569 58 26ms 15 Dec 2019 686th lilyyy411 569 58 8ms 10 Sep 2021 686th JayantaNath 569 58 9ms 17 Sep 2021 686th AndresCardonaDev 569 58 9ms 7 Nov 2021 686th ThibWillFulll 569 58 46ms 5 May 2022 686th cingulataluke 569 58 8ms 21 Oct 2022 686th ptforness 569 58 9ms 31 Dec 2022 686th infostreams 569 58 9ms 11 Jul 2023 686th 0vidiu 569 58 9ms 13 Dec 2023 701st verticall 559 59 9ms 28 Jul 2019 701st atsheridan 559 59 27ms 7 Feb 2020 701st greensebastian 559 59 8ms 12 May 2020 701st CataMates 559 59 8ms 2 Nov 2020 701st omarpr 559 59 8ms 12 Apr 2021 701st 2pichar 559 59 9ms 10 Nov 2022 701st 123mjb 559 59 9ms 25 Jun 2025 708th Moritz-Siegel 550 60 8ms 11 Jan 2018 708th SamirHodzic 550 60 9ms 12 Oct 2018 708th MaartenStaa 550 60 27ms 5 Jan 2020 708th ze-h 🇺🇸 550 60 9ms 10 Jan 2022 708th MattShaile 550 60 8ms 20 Mar 2022 708th Cinnamonsroll 550 60 9ms 18 Oct 2022 708th MisterrLuck 550 60 9ms 31 Jul 2024 708th noahhorlacher 550 60 9ms 8 Dec 2024 716th rxl3 541 61 24ms 15 Mar 2018 716th wrauner 541 61 9ms 6 Aug 2019 716th PeriBooty 541 61 24ms 26 Nov 2019 716th tekaireb 541 61 18ms 24 Jul 2021 716th mackereldev 541 61 9ms 27 Apr 2022 First Prev 641–720 of 856 Next Last