Fibonacci in all languages 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 NFA Simulator 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 NFA Simulator 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 969th tflyons 941 79 271ms 17 Apr 2020 969th 1lann 941 79 267ms 17 Apr 2020 969th jerrandolph 941 79 264ms 17 Apr 2020 969th Shanethegamer 🇺🇸 941 79 259ms 17 Apr 2020 969th jamesallured 941 79 267ms 18 Apr 2020 969th stuartcarnie 941 79 277ms 18 Apr 2020 969th madxmike 941 79 258ms 19 Apr 2020 969th superloach 941 79 261ms 19 Apr 2020 969th yzhs 🇩🇪 941 79 251ms 19 Apr 2020 969th MahlerFive 🇨🇦 941 79 260ms 20 Apr 2020 969th b97tsk 941 79 256ms 20 Apr 2020 969th jerome-laforge 941 79 259ms 20 Apr 2020 969th yzzyx 941 79 256ms 20 Apr 2020 969th aivarasbaranauskas 941 79 249ms 20 Apr 2020 969th j0ran 941 79 260ms 20 Apr 2020 969th joaxcar 941 79 263ms 20 Apr 2020 969th potatoattack 941 79 260ms 20 Apr 2020 969th titpetric 941 79 257ms 20 Apr 2020 969th agschwender 941 79 262ms 20 Apr 2020 969th crholm 941 79 261ms 21 Apr 2020 969th tsakath 941 79 266ms 22 Apr 2020 969th SirBogman 🇺🇸 941 79 264ms 23 Apr 2020 969th cduerm 941 79 252ms 12 May 2020 969th prplz 🇦🇺 941 79 254ms 5 Jul 2020 969th dpatterbee 941 79 260ms 20 Aug 2020 969th KatieLG 🇬🇧 941 79 270ms 28 Sep 2020 969th Irratix 🇳🇱 941 79 257ms 17 Oct 2020 969th NewDefectus 🇮🇱 941 79 261ms 1 Nov 2020 969th GrayJoKing 🇦🇺 941 79 263ms 9 Jan 2021 969th MatheusAvellar 🇧🇷 941 79 258ms 6 May 2021 969th Natanaelel 🇸🇪 941 79 257ms 27 May 2021 969th cure-honey 🇯🇵 941 79 258ms 23 Jun 2021 969th vang1ong7ang 941 79 264ms 26 Oct 2021 969th yzkonchain 941 79 265ms 26 Oct 2021 969th Hecate2 941 79 260ms 26 Oct 2021 969th btnlq 941 79 282ms 1 Feb 2022 969th JRaspass 🇬🇧 941 79 259ms 29 Mar 2022 969th martin-viggiano 941 79 263ms 22 Jun 2022 969th hajimehoshi 🇯🇵 941 79 259ms 24 Sep 2022 969th kimbo 🇺🇸 941 79 276ms 27 Dec 2022 969th m-tkach 🇺🇦 941 79 261ms 14 Jun 2023 969th ovs-code 🇩🇪 941 79 258ms 16 Aug 2023 969th snoozingnewt 🇨🇦 941 79 263ms 23 Sep 2023 969th elgan65536 941 79 255ms 23 Oct 2023 969th harshit54 941 79 260ms 6 Jan 2024 969th bzijlema 🇳🇱 941 79 254ms 26 Jan 2024 969th bastatom 941 79 260ms 16 Feb 2024 969th hrubymar10 941 79 258ms 21 Feb 2024 969th neel11235813 941 79 254ms 26 Mar 2024 969th Grrisly 941 79 239ms 27 Mar 2024 969th jipsong 🇩🇪 941 79 281ms 13 Jun 2024 969th dbut2 🇦🇺 941 79 261ms 16 Jul 2024 969th edsrzf 🇳🇿 941 79 256ms 2 Sep 2024 969th duckyluuk 🇳🇱 941 79 261ms 19 Sep 2024 969th b-illy 🇬🇧 941 79 261ms 29 Sep 2024 969th CaedenHarper 🇨🇦 941 79 270ms 22 Oct 2024 969th emgordon154 941 79 261ms 11 Nov 2024 969th error256 941 79 263ms 16 Dec 2024 969th martindotexe 🇳🇴 941 79 260ms 22 Apr 2025 969th targrik 941 79 252ms 29 Jun 2025 969th FlorianCassayre 🇫🇷 941 79 283ms 16 Jul 2025 969th jessesomerville 941 79 261ms 20 Jul 2025 969th GolfingSuccess 🇬🇷 941 79 264ms 22 Aug 2025 969th KasperKivimaeki 🇫🇮 941 79 278ms 25 Sep 2025 969th albanian-laundromat 941 79 270ms 2 Oct 2025 969th cefqrn 941 79 270ms 25 days ago 969th solisolu 941 79 264ms 15 days ago 969th Andrey2001 941 79 326ms 8 days ago 1,044th sean-niemann 🇺🇸 939 35 4ms 23 Dec 2023 1,045th Caylyn 939 44 1ms 28 Feb 2018 1,045th metryy 939 44 1ms 6 Nov 2019 1,045th yzhs 🇩🇪 939 44 2ms 19 Jan 2020 1,045th Michal-Miky-Jankovsky 939 44 1ms 13 May 2020 1,045th ytaki0801 🇯🇵 939 44 1ms 19 Jun 2021 1,045th Lydxn 🇨🇦 939 44 46ms 14 Jul 2021 First Prev 976–1,050 of 9,449 Next Last