Fibonacci in J in bytes. 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 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 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 Bytes Time Submitted 1st Frowny 1,000 19 33ms 17 Aug 2018 1st primo-ppcg 🇹🇭 1,000 19 34ms 6 Dec 2018 1st ovs-code 🇩🇪 1,000 19 34ms 16 Dec 2022 1st stackofbears 1,000 19 34ms 9 Sep 2023 1st 2bular 1,000 19 31ms 2 Sep 2025 6th miles-cg 950 20 33ms 8 Aug 2019 7th lynn 905 21 35ms 3 Jul 2021 7th GrayJoKing 🇦🇺 905 21 34ms 17 Jul 2021 7th nwellnhof 🇩🇪 905 21 35ms 29 Aug 2021 7th kurkale6ka 905 21 33ms 1 Sep 2021 7th SirBogman 🇺🇸 905 21 36ms 14 Dec 2021 7th ashtraypettingzoo 🇺🇸 905 21 34ms 16 Feb 2023 7th kritixilithos 905 21 35ms 1 Jun 2024 14th StellaCG 864 22 34ms 11 Jul 2020 14th umnikos 864 22 34ms 28 Aug 2020 14th rak1507 🇬🇧 864 22 34ms 4 May 2021 14th MeWhenI 🇻🇦 864 22 36ms 2 Jul 2021 14th NewDefectus 🇮🇱 864 22 34ms 20 Dec 2021 14th jared-hughes 864 22 34ms 20 Jul 2022 14th scpchicken 🇵🇼 864 22 36ms 4 Mar 2023 14th plcc0 864 22 35ms 30 Mar 2025 22nd Natanaelel 🇸🇪 826 23 33ms 18 Nov 2023 22nd Yewzir 🇧🇪 826 23 34ms 26 Dec 2023 24th Raclamusi 760 25 38ms 25 Jan 2022 24th saltysylvi 760 25 33ms 5 Aug 2022 26th sean-niemann 🇺🇸 731 26 33ms 25 Mar 2024 26th snoozingnewt 🇨🇦 731 26 34ms 12 Sep 2025 28th dtaylor0 704 27 34ms 31 Dec 2022 28th jipsong 🇩🇪 704 27 32ms 29 Jun 2024 28th CaedenHarper 🇨🇦 704 27 32ms 16 Oct 2024 31st orthoplex 🇨🇽 679 28 34ms 5 Oct 2020 31st marcin7Cd 679 28 35ms 13 Oct 2020 31st jinwoo 679 28 33ms 11 Jul 2022 31st AshyIsMe 🇦🇺 679 28 33ms 21 Apr 2023 35th 4hg 🇺🇸 655 29 34ms 28 Jan 2023 35th sona-tau 655 29 34ms 23 Nov 2023 37th Toanuvo 633 30 313ms 20 Jan 2022 37th jhfranklin 🇬🇧 633 30 34ms 11 Feb 2022 37th edsrzf 🇳🇿 633 30 32ms 25 Jul 2025 40th RustemB 🇷🇺 613 31 259ms 4 May 2021 40th LeeCamp 613 31 34ms 14 Jan 2022 40th DialFrost 🇸🇬 613 31 256ms 29 Jan 2023 43rd hrrs01 559 34 49ms 31 Jan 2019 43rd azure-blondon 559 34 32ms 17 Jan 2024 43rd uiu007 559 34 33ms 8 Sep 2025 46th dokutan 528 36 32ms 12 days ago 47th scanhex 487 39 33ms 27 Dec 2022 47th greenstuartj 487 39 33ms 1 Aug 2023 49th yzhs 🇩🇪 463 41 36ms 27 Jul 2021 49th nickspoons 🇳🇿 463 41 227ms 10 Aug 2022 51st ian-h-chamberlain 🇺🇸 452 42 33ms 29 Dec 2019 52nd KatieLG 🇬🇧 442 43 54ms 14 Mar 2023 53rd emgordon154 432 44 31ms 19 days ago 54th ZakkkkAttackkkk 🇵🇭 413 46 35ms 5 Mar 2023 54th heanyang1 413 46 32ms 1 May 2025 56th itiievskyi 🇺🇦 404 47 59ms 19 Aug 2020 57th desecaw13 396 48 32ms 24 Jan 2025 58th roguh 🇬🇹 339 56 34ms 23 Jan 2024 59th madeforlosers 311 61 32ms 9 Dec 2024 60th SwordF-Official 250 76 33ms 6 May 2025 61st Ludusamo 170 112 1,123ms 6 Aug 2019 62nd HumanoidCPU 133 143 33ms 3 Jul 2024 63rd retrohun 66 288 35ms 21 Dec 2018 63rd ndren 66 288 35ms 1 Sep 2023 65th mokymok 🇺🇸 66 289 34ms 10 Nov 2021 66th Adix-null 🇱🇹 60 319 34ms 6 Jul 2023 66th zt14427 60 319 37ms 27 Dec 2024 68th dillon-duncando 59 321 229ms 21 Dec 2021 69th vonKrafft 59 323 234ms 26 Mar 2020 70th KatieLG-Transpiler 🇬🇧 32 599 33ms 24 Jun 2022 1–70 of 70
