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 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 916th Jagger002 900 40 10ms 24 Jun 2025 916th bpharaldsson 900 40 10ms 4 Feb 2026 963rd 71c 878 41 10ms 7 Apr 2018 963rd Armavica 878 41 10ms 9 Apr 2018 963rd vZekii 878 41 10ms 31 May 2018 963rd Lifesorder 878 41 10ms 12 Oct 2018 963rd aschui 878 41 9ms 17 Oct 2018 963rd bezmuth 878 41 9ms 16 Dec 2018 963rd skps2010 878 41 9ms 1 Jan 2019 963rd monishnene 878 41 9ms 21 Feb 2019 963rd shibacho 🇯🇵 878 41 9ms 18 Apr 2019 963rd qoqosz 878 41 9ms 5 Jun 2019 963rd DrProfPatPending 878 41 9ms 22 Jun 2019 963rd AgathokakologicalBit 878 41 10ms 14 Jul 2019 963rd AaronGarbut 878 41 10ms 29 Jul 2019 963rd TrAyZeN 878 41 10ms 23 Aug 2019 963rd handisb 878 41 10ms 12 Sep 2019 963rd n1LS 878 41 10ms 26 Sep 2019 963rd farisashai 878 41 9ms 16 Oct 2019 963rd suchwise 878 41 10ms 29 Oct 2019 963rd Periapsis1 878 41 9ms 17 Nov 2019 963rd andre-lameirinhas 🇵🇹 878 41 9ms 2 Mar 2020 963rd PkmnQ 878 41 10ms 16 May 2020 963rd hjcafaroUC 878 41 10ms 27 Jul 2020 963rd alexandre-lavoie 878 41 10ms 30 Jul 2020 963rd The3gs 878 41 10ms 29 Aug 2020 963rd John-Campbell 878 41 10ms 31 Aug 2020 963rd huderlem 878 41 9ms 9 Dec 2020 963rd qrico64 878 41 9ms 1 Feb 2021 963rd jameslindesay 878 41 9ms 24 Feb 2021 963rd badouralix 878 41 9ms 18 Mar 2021 963rd maggym00 878 41 10ms 27 Apr 2021 963rd 38tter 878 41 10ms 19 May 2021 963rd jhunterkohler 878 41 9ms 20 May 2021 963rd ytaki0801 🇯🇵 878 41 9ms 19 Jun 2021 963rd jotslo 🇬🇧 878 41 9ms 5 Jul 2021 963rd JeromeSchweitzer 878 41 9ms 16 Aug 2021 963rd mauro-1 🇮🇹 878 41 10ms 17 Aug 2021 963rd Y0UR-U5ERNAME 878 41 10ms 3 Sep 2021 963rd myleopard 878 41 9ms 13 Oct 2021 963rd b4dpxl 878 41 9ms 10 Nov 2021 963rd denballakh 878 41 9ms 25 Nov 2021 963rd LeeCamp 878 41 9ms 27 Nov 2021 963rd korczaka6052 878 41 10ms 14 Jan 2022 963rd amollberg 🇸🇪 878 41 9ms 23 Jan 2022 963rd thatsmaguy 878 41 9ms 7 Apr 2022 963rd DominicFrei 878 41 10ms 13 Apr 2022 963rd AdamHe17 878 41 10ms 31 May 2022 963rd LoparPanda 878 41 10ms 7 Aug 2022 963rd kenny14231 878 41 9ms 17 Aug 2022 963rd Sloimayyy 878 41 10ms 25 Aug 2022 963rd mathb0y512 878 41 10ms 8 Dec 2022 963rd grhkm21 878 41 10ms 19 Dec 2022 963rd lucas-wilkins 878 41 10ms 22 Dec 2022 963rd hawthornbunny 878 41 9ms 28 Dec 2022 963rd hellwue 878 41 9ms 8 Feb 2023 963rd ashtraypettingzoo 🇺🇸 878 41 9ms 11 Feb 2023 963rd pythonNoobOz 878 41 10ms 21 Apr 2023 963rd dainiak 878 41 9ms 23 Jul 2023 963rd GWStuart 878 41 10ms 15 Sep 2023 963rd kaptsanovb 878 41 10ms 23 Sep 2023 963rd teodord25 878 41 10ms 2 Oct 2023 963rd neonchickens 878 41 10ms 6 Oct 2023 963rd trinityy-7 878 41 9ms 23 Jan 2024 963rd mhgockel 878 41 10ms 25 Mar 2024 963rd Mandrzejy 🇵🇱 878 41 9ms 29 Mar 2024 963rd sambouilloud 878 41 9ms 9 Apr 2024 963rd yousefalizadeh 878 41 9ms 12 May 2024 963rd zaki1993 878 41 9ms 11 Jun 2024 963rd ffisk 878 41 9ms 5 Oct 2024 963rd ashchen738 878 41 10ms 6 Oct 2024 963rd jeremylliu 878 41 10ms 6 Oct 2024 963rd SURAJMITTAL 878 41 9ms 13 Dec 2024 963rd yoshykai 878 41 10ms 12 Apr 2025 963rd EnisEfe0 878 41 9ms 11 May 2025 963rd kbeat 🇰🇿 878 41 9ms 18 May 2025 963rd elana-teal 878 41 10ms 20 Jun 2025 963rd davidludwik2370 878 41 9ms 29 Jul 2025 963rd intgrah 878 41 10ms 23 Sep 2025 963rd pauljoohyunkim 878 41 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