Collatz in Python in bytes. Cheevos Holes Recent Holes Langs Medals Misc 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir 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 Erlang 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 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 Erlang 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 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 Transpose Sentence United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Calendar Connect Four CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 132nd hunt-g 932 73 4 Feb 2023 132nd ljweel 932 73 13 Feb 2023 132nd jmerle 🇳🇱 932 73 16 Feb 2023 132nd TaserTheFox 🇺🇸 932 73 14 Mar 2023 132nd pinguicula 932 73 6 Apr 2023 132nd TheoKeller1 932 73 11 Jun 2023 132nd fkantelberg 932 73 16 Jul 2023 132nd Mikey-Beep 🇬🇧 932 73 31 Aug 2023 132nd eiburns 932 73 9 Oct 2023 132nd htareque 932 73 13 Oct 2023 132nd wearsunscreen 932 73 18 Oct 2023 132nd bzijlema 🇳🇱 932 73 25 Oct 2023 132nd Grrisly 932 73 10 Nov 2023 132nd m42km 932 73 11 Nov 2023 132nd GeneralPoxter 932 73 7 Dec 2023 132nd logvp 932 73 12 Jan 2024 132nd JoaoFelipe3 932 73 13 Jan 2024 132nd ehulinsky 🇺🇸 932 73 16 Feb 2024 132nd Lewenhaupt 932 73 23 Feb 2024 132nd Yewzir 🇧🇪 932 73 5 Apr 2024 132nd stertooy 🇧🇪 932 73 9 Jun 2024 132nd cuboids 932 73 11 Jul 2024 132nd jipsong 🇩🇪 932 73 23 Jul 2024 132nd mattyhempstead 932 73 6 Oct 2024 132nd wh3n3v3r 🇨🇿 932 73 18 Nov 2024 132nd klixel 🇨🇦 932 73 18 Nov 2024 132nd tjwrenn 932 73 10 Dec 2024 132nd nullie 932 73 19 Dec 2024 132nd ryyyn 🇺🇸 932 73 7 Jan 2025 132nd maxgodfrey2004 🇨🇦 932 73 13 Feb 2025 132nd lolgeny 932 73 22 Feb 2025 132nd andrewjc2000 932 73 23 Feb 2025 132nd Languag3 932 73 27 Feb 2025 132nd Bulmenisaurus 932 73 2 Mar 2025 132nd souta-1326 932 73 1 Apr 2025 132nd BenjaminHGong 932 73 26 May 2025 132nd FEZfan 🇦🇺 932 73 11 Jul 2025 132nd wuduculfre 932 73 28 Jul 2025 132nd BREMAUCY 🇫🇷 932 73 24 Aug 2025 190th TobyBoyne 🇬🇧 919 74 4 May 2022 190th RDShah 919 74 6 May 2022 190th Indivicivet 919 74 9 May 2022 190th CedricGebistorf 919 74 9 May 2022 190th ophact 919 74 11 May 2022 190th ImpressedByRocks 919 74 17 May 2022 190th LHuitre 919 74 2 Jun 2022 190th neihousaigaai 919 74 8 Jun 2022 190th rowboat1 919 74 10 Jun 2022 190th inverseLorentz 🇦🇺 919 74 13 Jun 2022 190th yzhs 🇩🇪 919 74 16 Jun 2022 190th clementblaudeau 919 74 29 Jun 2022 190th adoxography 919 74 13 Jul 2022 190th Attero 🇸🇪 919 74 20 Jul 2022 190th Heathcorp 🇦🇺 919 74 27 Jul 2022 190th jfallon1997 919 74 11 Aug 2022 190th VictorFordham 919 74 26 Aug 2022 190th georgehulme 919 74 1 Sep 2022 190th smartiel 919 74 15 Sep 2022 190th trist224 🇫🇷 919 74 21 Sep 2022 190th Kloppermand 🇩🇰 919 74 7 Oct 2022 190th knutae 🇳🇴 919 74 9 Oct 2022 190th Troon 919 74 14 Oct 2022 190th MaxElf999 919 74 14 Oct 2022 190th jakobkordez 🇸🇮 919 74 19 Oct 2022 190th Fishron 919 74 29 Nov 2022 190th SniperSmiley 🇺🇸 919 74 6 Dec 2022 190th elephantpanda 919 74 10 Dec 2022 190th ArthurBond 919 74 19 Dec 2022 190th ItsMeNoobieboy 919 74 20 Dec 2022 190th Larspolo 919 74 25 Dec 2022 190th dcc5480 919 74 12 Jan 2023 190th Ripick 919 74 1 Feb 2023 190th m3nt0ras 🇬🇷 919 74 3 Feb 2023 190th Skwerl23 919 74 5 Feb 2023 190th frankgraziano 919 74 19 Feb 2023 Prev 151–225 of 777 Next