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 Trinomial Triangle 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 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 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 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 Turtle Tutorial # Golfer Points Bytes Time 194th 1024An 🇮🇳 919 74 11 Sep 2025 194th pauljoohyunkim 919 74 18 days ago 194th joll05 🇸🇪 919 74 12 days ago 194th retrohun 919 74 10 days ago 194th solisolu 919 74 9 days ago 194th Code-Coder-coder 919 74 31 hours ago 307th martinnorling 🇸🇪 907 75 5 May 2022 307th Trunksistor 🇫🇷 907 75 9 May 2022 307th bbakersmith 907 75 28 Jun 2022 307th bsoyka 🇺🇸 907 75 16 Jul 2022 307th P-Quentin 🇫🇷 907 75 3 Aug 2022 307th julienlamoureux78 907 75 12 Aug 2022 307th dzshn 907 75 16 Aug 2022 307th NerdyMcNerd42 907 75 20 Aug 2022 307th destofr 907 75 25 Aug 2022 307th vishwathg 907 75 10 Oct 2022 307th nkoppel 907 75 19 Oct 2022 307th AZ9tumas 907 75 23 Oct 2022 307th EthanGrant1 907 75 7 Nov 2022 307th Omega65536 🇩🇪 907 75 24 Nov 2022 307th b10011 🇫🇮 907 75 3 Jan 2023 307th 4ndyJ 🇬🇧 907 75 3 Jan 2023 307th randolchance 907 75 8 Jan 2023 307th LeeCamp 907 75 12 Jan 2023 307th hellwue 907 75 15 Feb 2023 307th nandanjp 907 75 29 Mar 2023 307th kaptsanovb 907 75 20 Apr 2023 307th galloj 🇨🇿 907 75 20 May 2023 307th jhu04 907 75 23 Jun 2023 307th HelloYuiYui 907 75 1 Nov 2023 307th tobyLovick 907 75 10 Nov 2023 307th VictorStenvers 🇳🇱 907 75 13 Nov 2023 307th RZ781 907 75 19 Nov 2023 307th mikehanus 907 75 21 Nov 2023 307th 1231234md5 🇨🇳 907 75 14 Dec 2023 307th Hebelub 907 75 6 Jan 2024 307th minhtrancccp 907 75 11 Jan 2024 307th 123mjb 907 75 25 Jan 2024 307th jbjd 907 75 25 Feb 2024 307th gabe-gallegos 907 75 2 May 2024 307th kejcao 🇨🇦 907 75 11 May 2024 307th f-tucker 907 75 24 May 2024 307th Florian-Mt 907 75 22 Jul 2024 307th codingisgreatbutiamnot 907 75 9 Aug 2024 307th Terobero 907 75 23 Aug 2024 307th abhishekg999 907 75 17 Sep 2024 307th RedzGoose 🇦🇺 907 75 7 Oct 2024 307th Clay-Goodling 907 75 8 Oct 2024 307th JunkIce 907 75 5 Mar 2025 307th jiji7879 907 75 20 Jun 2025 307th faragocsaba 907 75 22 Jun 2025 307th bknower 907 75 30 Jun 2025 307th clayboll99 907 75 14 Jul 2025 354th guilhem-roy 🇫🇷 895 76 5 May 2022 354th NewDefectus 🇮🇱 895 76 6 May 2022 354th CuboidRaptor 🇨🇦 895 76 25 May 2022 354th TheSmilingTurtle 895 76 5 Jun 2022 354th Romain-1 🇫🇷 895 76 8 Jun 2022 354th jhpaques 🇫🇷 895 76 30 Jul 2022 354th chriscianfarani 895 76 10 Aug 2022 354th eshilo-draper 895 76 13 Sep 2022 354th suwat513 895 76 22 Sep 2022 354th Jaydosu 895 76 14 Nov 2022 354th tails618 895 76 2 Dec 2022 354th KevinLyvers 895 76 17 Dec 2022 354th nayakrujul 895 76 3 Jan 2023 354th CheeseCake628 🇳🇴 895 76 8 Jan 2023 354th CatsAreFluffy 895 76 18 Feb 2023 354th adamnielson42 🇺🇸 895 76 1 Mar 2023 354th Schreipfelerer 895 76 9 Apr 2023 354th hm5822 895 76 22 Apr 2023 354th celiendonze 🇨🇭 895 76 5 Jul 2023 354th brochmann 🇸🇪 895 76 13 Aug 2023 354th Command-Master 895 76 2 Oct 2023 354th chartung17 895 76 17 Dec 2023 First Prev 301–375 of 785 Next Last
