Fibonacci in Python 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 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 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 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 Lily 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 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 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 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 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 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 189th Andrey2001 947 38 11ms 24 Nov 2025 189th AidanWalter 947 38 10ms 27 Nov 2025 189th dgambit 947 38 10ms 3 Dec 2025 189th TriodeLzx 947 38 10ms 3 Dec 2025 189th yujqiao 947 38 10ms 16 Dec 2025 189th jhallgreen 947 38 10ms 20 Dec 2025 189th xdaniel-lim 947 38 10ms 15 Jan 2026 189th JesseNoEyes 🇺🇸 947 38 10ms 15 Jan 2026 189th matricronia 947 38 10ms 23 days ago 189th JOrE20 947 38 10ms 23 days ago 189th msbranicky 947 38 10ms 17 days ago 189th TheSecondComing123 947 38 10ms 15 days ago 189th netfri25 🇮🇱 947 38 10ms 2 days ago 189th GrandMoff100 947 38 10ms 50 mins ago 815th myfatemi04 923 39 10ms 6 Jan 2018 815th AlanLynn 923 39 10ms 28 Feb 2018 815th Xeve-Dor 923 39 10ms 11 Apr 2018 815th plaiho 923 39 10ms 21 May 2018 815th Pierre-Loic 923 39 9ms 5 Jun 2018 815th Sandpaper567 923 39 10ms 11 Aug 2018 815th NoliHyd 923 39 9ms 24 Sep 2018 815th durgasailakshmi 923 39 10ms 20 Jan 2019 815th meenansai 923 39 9ms 20 Jan 2019 815th pkitachi 923 39 10ms 20 Jan 2019 815th timkaiser 923 39 10ms 18 Apr 2019 815th Bibi2424 923 39 9ms 13 May 2019 815th patbassing 923 39 9ms 26 May 2019 815th decorator-factory 923 39 11ms 27 May 2019 815th oAsAo 923 39 9ms 6 Jul 2019 815th sambirnbaum1 923 39 10ms 6 Sep 2019 815th mcjo163 923 39 10ms 14 Sep 2019 815th EricChen1248 923 39 9ms 21 Sep 2019 815th Lemonfrostt 923 39 11ms 14 Dec 2019 815th JamesPriest 923 39 9ms 20 Dec 2019 815th dbdr 923 39 10ms 5 Jan 2020 815th bengsparks 923 39 10ms 24 Jan 2020 815th AforAmpere 923 39 10ms 7 Feb 2020 815th jarekwg 923 39 9ms 24 Mar 2020 815th rzhade3 923 39 10ms 22 May 2020 815th Trickermand 923 39 9ms 25 Jun 2020 815th Psirving 923 39 9ms 23 Jul 2020 815th ldoodle 923 39 9ms 31 Jul 2020 815th j21marshall 923 39 9ms 31 Jul 2020 815th TeDeMos 923 39 10ms 27 Aug 2020 815th HelloGravity 923 39 9ms 30 Oct 2020 815th mrnomm 923 39 9ms 30 Oct 2020 815th Wild266 923 39 9ms 30 Oct 2020 815th petreleon 923 39 9ms 23 Dec 2020 815th SamuelMcGowan 923 39 9ms 12 Jan 2021 815th Tess2662 923 39 9ms 13 Jan 2021 815th chethus 923 39 9ms 9 May 2021 815th ydevor 🇮🇱 923 39 10ms 19 May 2021 815th Larspolo 923 39 10ms 4 Jun 2021 815th knutae 🇳🇴 923 39 9ms 15 Jul 2021 815th yudi-matsuzake 923 39 11ms 10 Aug 2021 815th Waffle3z 923 39 9ms 26 Aug 2021 815th mortimervonchappuis 923 39 10ms 31 Aug 2021 815th lilyyy411 923 39 10ms 9 Sep 2021 815th SlicesOfficial 923 39 10ms 15 Oct 2021 815th DylanScottCarroll 923 39 9ms 8 Nov 2021 815th peterprescott 923 39 9ms 19 Nov 2021 815th sbr075 923 39 10ms 7 Dec 2021 815th brochmann 🇸🇪 923 39 9ms 7 Feb 2022 815th vodker1 923 39 9ms 7 Mar 2022 815th KieranZimmer 923 39 10ms 12 Mar 2022 815th Sandmann6d 923 39 10ms 22 Apr 2022 815th 201170 923 39 10ms 29 Jul 2022 815th smw5qz 923 39 10ms 10 Sep 2022 815th eshilo-draper 923 39 10ms 12 Sep 2022 815th aldonald 923 39 10ms 21 Sep 2022 815th stewSquared 🇺🇸 923 39 10ms 27 Sep 2022 815th za3k 923 39 10ms 9 Oct 2022 815th TheRealOhead 🇺🇸 923 39 9ms 23 Nov 2022 815th Setvizan 923 39 10ms 6 Jan 2023 815th dcc5480 923 39 9ms 12 Jan 2023 815th mossprescott 923 39 10ms 15 Jan 2023 815th 0xBenCantCode 923 39 10ms 13 May 2023 815th christensendaniel 923 39 9ms 26 Aug 2023 815th gptlang 923 39 10ms 2 Oct 2023 815th charliegaming 923 39 9ms 3 Oct 2023 First Prev 801–880 of 2,077 Next Last