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 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 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 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 Snake Sphenic Numbers Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 345th Mathrew2012 895 76 9 Nov 2024 345th kawrei 895 76 4 May 2025 345th RaBa21 🇭🇺 895 76 19 Jul 2025 379th cooljoseph1 883 77 6 May 2022 379th krcs 🇵🇱 883 77 11 May 2022 379th kenballus 883 77 13 Jul 2022 379th 104210 883 77 29 Jul 2022 379th andre-de-lorde 883 77 1 Sep 2022 379th zstephe 883 77 2 Dec 2022 379th badboj40 883 77 27 Dec 2022 379th henrytranter 883 77 11 Jan 2023 379th DragonaireM 883 77 6 Feb 2023 379th steffan-polygolf 883 77 19 Feb 2023 379th kellantech 883 77 21 May 2023 379th Ty-Cyr 883 77 14 Jul 2023 379th camieac 🇬🇧 883 77 14 Jul 2023 379th nathsou 🇫🇷 883 77 2 Sep 2023 379th MisterrLuck 883 77 7 Sep 2023 379th alexjurkiewicz 🇦🇺 883 77 7 Nov 2023 379th askipio 883 77 22 Nov 2023 379th trinityy-7 883 77 17 Dec 2023 379th zwxzwxzwx21 883 77 30 Jan 2024 379th PyryL 🇫🇮 883 77 23 Aug 2024 379th CyberTapir 883 77 27 Aug 2024 379th junten1 883 77 20 Oct 2024 379th croc54 883 77 24 Dec 2024 379th za3k 883 77 3 Jun 2025 379th 1024An 🇮🇳 883 77 29 Jun 2025 379th mossiegoat 883 77 23 days ago 405th AGoyet 872 78 29 Jul 2022 405th RYNO8 872 78 16 Aug 2022 405th TheCod-r 🇦🇶 872 78 28 Sep 2022 405th Marthe-CC 872 78 9 Oct 2022 405th Wildst 872 78 2 Nov 2022 405th nmgetahun 872 78 4 Dec 2022 405th Techdude01 872 78 13 Dec 2022 405th tvcv901 872 78 22 Mar 2023 405th oceko 872 78 24 Mar 2023 405th yoyoyonono 872 78 15 May 2023 405th Nic0M 872 78 13 Aug 2023 405th ssbhatt4321 872 78 14 Oct 2023 405th wyarde 872 78 7 Nov 2023 405th EthanJ-Brady 872 78 24 Dec 2023 405th adamreidsmith 872 78 16 Feb 2024 405th Jacob385 872 78 5 Mar 2024 405th DGipe 872 78 13 May 2024 405th cyxv 872 78 2 Aug 2024 405th gallium-gonzollium 872 78 26 Aug 2024 405th Europe2048 872 78 24 Nov 2024 405th GeneralFabian 872 78 14 Dec 2024 426th kevdah 861 79 27 May 2022 426th jacklynnepenick 861 79 22 Jun 2022 426th james-downey 861 79 9 Jul 2022 426th andre-lameirinhas 🇵🇹 861 79 26 Jul 2022 426th hamsterskywalker 861 79 7 Sep 2022 426th Pena86 861 79 14 Sep 2022 426th hymanimy 861 79 24 Nov 2022 426th Demonarchet 861 79 18 Apr 2023 426th dtaylor0 861 79 23 May 2023 426th bac0id 861 79 26 Sep 2023 426th neonchickens 861 79 6 Oct 2023 426th MWI-polygolf 861 79 6 Dec 2023 426th eddvrs 861 79 22 Dec 2023 426th tknight00 861 79 7 Mar 2024 426th thienudomsrirungruang 861 79 3 May 2024 426th IsaacAlexBarden 861 79 6 Feb 2025 426th taesungh 861 79 7 Jun 2025 426th benvreeves 861 79 25 Jul 2025 426th saturzay 861 79 20 days ago 445th j-Ewan 850 80 13 May 2022 445th osmith93 850 80 14 Jun 2022 445th hjcafaroUC 850 80 21 Jun 2022 445th dankleeman 850 80 8 Aug 2022 445th dillon-duncando 850 80 4 Oct 2022 445th DrPiranoid 850 80 11 Nov 2022 Prev 376–450 of 774 Next