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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 Groovy Harbour Hare Haxe Hush Hy iogii Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua 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 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 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 Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters 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 Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Hilbert Curve Mandelbrot Minesweeper NFA Simulator Odd Polyomino Tiling p-adic Expansion QR Encoder Quadratic Formula Scrambled Alphabetization Semiprime Numbers Snake Sphenic Numbers Star Wars GPT Trinomial Triangle Turtle Tutorial # Golfer Points Bytes Time 27th abc7-12 971 70 6 May 2024 27th ahmetdemirag 🇨🇾 971 70 9 Jun 2024 27th FranklinJiaChen 971 70 4 Jul 2024 27th 5cw 🇺🇸 971 70 13 Jul 2024 27th CaedenHarper 🇨🇦 971 70 3 Aug 2024 27th emgordon154 971 70 5 Aug 2024 27th dokutan 971 70 9 Aug 2024 27th jatloe 971 70 26 Aug 2024 27th lgrandco 971 70 9 Oct 2024 27th snydej 971 70 21 Nov 2024 27th erikji 971 70 4 Feb 2025 27th CutSandstone 971 70 4 Feb 2025 88th TFeld00 🇩🇰 958 71 17 May 2022 88th DialFrost 🇸🇬 958 71 15 Nov 2022 88th StefanHabel 🇨🇦 958 71 29 Nov 2022 88th nstearns96 🇬🇧 958 71 11 Jan 2023 88th hallvabo 🇳🇴 958 71 7 Feb 2023 88th anter69 🇭🇺 958 71 21 May 2024 88th rucin93 🇵🇱 958 71 10 Jul 2024 95th scpchicken 🇵🇼 944 72 4 May 2022 95th sultan 944 72 6 Jun 2022 95th annaproxy 944 72 22 Aug 2022 95th BlankSpruce 944 72 9 Sep 2022 95th ValentinCassayre 944 72 8 Oct 2022 95th commandblockguy 🇺🇸 944 72 3 Nov 2022 95th mathb0y512 944 72 1 Dec 2022 95th NoahBolohan 🇨🇦 944 72 28 Feb 2023 95th neel11235813 944 72 8 Mar 2023 95th Kacarott 🇦🇺 944 72 24 Mar 2023 95th Fracture17 944 72 8 Apr 2023 95th ayushdewan 944 72 7 May 2023 95th PeterTillema 🇳🇱 944 72 17 Oct 2023 95th Glinte 944 72 11 Dec 2023 95th nanatsu8 944 72 11 May 2024 95th thej10n 944 72 12 Jun 2024 95th duckyluuk 🇳🇱 944 72 13 Jun 2024 95th fuzzylojik-golf 🇺🇸 944 72 14 Feb 2025 113th AdamHe17 932 73 31 May 2022 113th AliceFord 932 73 2 Jun 2022 113th Natanaelel 🇸🇪 932 73 16 Jun 2022 113th btjones0 932 73 21 Jun 2022 113th marcin7Cd 932 73 27 Jun 2022 113th tri1212 🇻🇳 932 73 18 Jul 2022 113th vhoulbreque 🇫🇷 932 73 18 Aug 2022 113th KatieLG 🇬🇧 932 73 29 Aug 2022 113th tkr-sh 🇫🇷 932 73 8 Sep 2022 113th jroscoe5 932 73 15 Sep 2022 113th fredrik-bakke 🇳🇴 932 73 18 Sep 2022 113th firegene 🇮🇪 932 73 27 Sep 2022 113th OhmNomNom 932 73 7 Oct 2022 113th 0-4849 932 73 1 Nov 2022 113th M0PKOBKA 932 73 19 Dec 2022 113th calumacutt 932 73 19 Dec 2022 113th thehylian 932 73 2 Jan 2023 113th fynnkroeger 932 73 6 Jan 2023 113th shellbertt 🇨🇦 932 73 13 Jan 2023 113th hunt-g 932 73 4 Feb 2023 113th packkill 932 73 13 Feb 2023 113th jmerle 🇳🇱 932 73 16 Feb 2023 113th TaserTheFox 🇺🇸 932 73 14 Mar 2023 113th pinguicula 932 73 6 Apr 2023 113th TheoKeller1 932 73 11 Jun 2023 113th fkantelberg 932 73 16 Jul 2023 113th Mikey-Beep 🇬🇧 932 73 31 Aug 2023 113th eiburns 932 73 9 Oct 2023 113th htareque 932 73 13 Oct 2023 113th wearsunscreen 932 73 18 Oct 2023 113th bzijlema 932 73 25 Oct 2023 113th Grrisly 932 73 10 Nov 2023 113th m42km 932 73 11 Nov 2023 113th GeneralPoxter 932 73 7 Dec 2023 113th logvp 932 73 12 Jan 2024 113th JoaoFelipe3 932 73 13 Jan 2024 113th ehulinsky 🇺🇸 932 73 16 Feb 2024 113th Lewenhaupt 932 73 23 Feb 2024 Prev 76–150 of 658 Next