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 133rd shellbertt 🇨🇦 932 73 13 Jan 2023 133rd hunt-g 932 73 4 Feb 2023 133rd ljweel 932 73 13 Feb 2023 133rd jmerle 🇳🇱 932 73 16 Feb 2023 133rd TaserTheFox 🇺🇸 932 73 14 Mar 2023 133rd pinguicula 932 73 6 Apr 2023 133rd TheoKeller1 932 73 11 Jun 2023 133rd fkantelberg 932 73 16 Jul 2023 133rd Mikey-Beep 🇬🇧 932 73 31 Aug 2023 133rd eiburns 932 73 9 Oct 2023 133rd htareque 932 73 13 Oct 2023 133rd wearsunscreen 932 73 18 Oct 2023 133rd bzijlema 🇳🇱 932 73 25 Oct 2023 133rd Grrisly 932 73 10 Nov 2023 133rd m42km 932 73 11 Nov 2023 133rd GeneralPoxter 932 73 7 Dec 2023 133rd logvp 932 73 12 Jan 2024 133rd JoaoFelipe3 932 73 13 Jan 2024 133rd ehulinsky 🇺🇸 932 73 16 Feb 2024 133rd Lewenhaupt 932 73 23 Feb 2024 133rd Yewzir 🇧🇪 932 73 5 Apr 2024 133rd stertooy 🇧🇪 932 73 9 Jun 2024 133rd cuboids 932 73 11 Jul 2024 133rd jipsong 🇩🇪 932 73 23 Jul 2024 133rd mattyhempstead 932 73 6 Oct 2024 133rd wh3n3v3r 🇨🇿 932 73 18 Nov 2024 133rd klixel 🇨🇦 932 73 18 Nov 2024 133rd tjwrenn 932 73 10 Dec 2024 133rd nullie 932 73 19 Dec 2024 133rd ryyyn 🇺🇸 932 73 7 Jan 2025 133rd maxgodfrey2004 🇨🇦 932 73 13 Feb 2025 133rd lolgeny 932 73 22 Feb 2025 133rd andrewjc2000 932 73 23 Feb 2025 133rd Languag3 932 73 27 Feb 2025 133rd Bulmenisaurus 932 73 2 Mar 2025 133rd souta-1326 932 73 1 Apr 2025 133rd BenjaminHGong 932 73 26 May 2025 133rd FEZfan 🇦🇺 932 73 11 Jul 2025 133rd wuduculfre 932 73 28 Jul 2025 133rd BREMAUCY 🇫🇷 932 73 24 Aug 2025 191st TobyBoyne 🇬🇧 919 74 4 May 2022 191st RDShah 919 74 6 May 2022 191st Indivicivet 919 74 9 May 2022 191st CedricGebistorf 919 74 9 May 2022 191st ophact 919 74 11 May 2022 191st ImpressedByRocks 919 74 17 May 2022 191st LHuitre 919 74 2 Jun 2022 191st neihousaigaai 919 74 8 Jun 2022 191st rowboat1 919 74 10 Jun 2022 191st inverseLorentz 🇦🇺 919 74 13 Jun 2022 191st yzhs 🇩🇪 919 74 16 Jun 2022 191st clementblaudeau 919 74 29 Jun 2022 191st adoxography 919 74 13 Jul 2022 191st Attero 🇸🇪 919 74 20 Jul 2022 191st Heathcorp 🇦🇺 919 74 27 Jul 2022 191st jfallon1997 919 74 11 Aug 2022 191st VictorFordham 919 74 26 Aug 2022 191st georgehulme 919 74 1 Sep 2022 191st smartiel 919 74 15 Sep 2022 191st trist224 🇫🇷 919 74 21 Sep 2022 191st Kloppermand 🇩🇰 919 74 7 Oct 2022 191st knutae 🇳🇴 919 74 9 Oct 2022 191st Troon 919 74 14 Oct 2022 191st MaxElf999 919 74 14 Oct 2022 191st jakobkordez 🇸🇮 919 74 19 Oct 2022 191st Fishron 919 74 29 Nov 2022 191st SniperSmiley 🇺🇸 919 74 6 Dec 2022 191st elephantpanda 919 74 10 Dec 2022 191st ArthurBond 919 74 19 Dec 2022 191st ItsMeNoobieboy 919 74 20 Dec 2022 191st Larspolo 919 74 25 Dec 2022 191st dcc5480 919 74 12 Jan 2023 191st Ripick 919 74 1 Feb 2023 191st m3nt0ras 🇬🇷 919 74 3 Feb 2023 191st Skwerl23 919 74 5 Feb 2023 Prev 151–225 of 778 Next