Collatz in Python in chars. 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 Chars Time 232nd agreegious 770 74 17 Nov 2024 232nd Stockoh 🇫🇷 770 74 17 Nov 2024 232nd Andrey135296 770 74 24 Nov 2024 232nd TralfamadorianComedian 770 74 6 Dec 2024 232nd bltnppcnt 770 74 3 Jan 2025 232nd ZorblaxV 770 74 12 Jan 2025 232nd yokasuretsu 770 74 13 Jan 2025 232nd gdpr777 770 74 10 Feb 2025 232nd Pyroan 770 74 27 Mar 2025 232nd Squimbletin 770 74 19 Apr 2025 232nd Dandandooo 770 74 23 Apr 2025 232nd khangtm123 770 74 4 May 2025 232nd 40fied4t 770 74 6 May 2025 232nd georgekattenbelt 770 74 6 May 2025 232nd TheZwierzLF 🇵🇱 770 74 21 May 2025 232nd kbeat 🇰🇿 770 74 21 May 2025 232nd LvLError 770 74 29 May 2025 232nd Lv0Sys 🇵🇱 770 74 30 May 2025 232nd ffelixm 770 74 3 Jun 2025 232nd osNiko 🇧🇷 770 74 26 Jul 2025 232nd wobblybits 770 74 13 Aug 2025 232nd denisfouchard 770 74 23 Aug 2025 232nd Emutis 🇱🇹 770 74 23 Aug 2025 232nd edsrzf 🇳🇿 770 74 24 days ago 232nd 1024An 🇮🇳 770 74 23 days ago 232nd pauljoohyunkim 770 74 9 days ago 232nd joll05 🇸🇪 770 74 3 days ago 232nd retrohun 770 74 31 hours ago 232nd solisolu 770 74 88 mins ago 330th martinnorling 🇸🇪 760 75 5 May 2022 330th Trunksistor 🇫🇷 760 75 9 May 2022 330th bbakersmith 760 75 28 Jun 2022 330th bsoyka 🇺🇸 760 75 16 Jul 2022 330th julienlamoureux78 760 75 12 Aug 2022 330th dzshn 760 75 16 Aug 2022 330th destofr 760 75 25 Aug 2022 330th vishwathg 760 75 10 Oct 2022 330th nkoppel 760 75 19 Oct 2022 330th AZ9tumas 760 75 23 Oct 2022 330th EthanGrant1 760 75 7 Nov 2022 330th Omega65536 🇩🇪 760 75 24 Nov 2022 330th b10011 🇫🇮 760 75 3 Jan 2023 330th 4ndyJ 🇬🇧 760 75 3 Jan 2023 330th randolchance 760 75 8 Jan 2023 330th LeeCamp 760 75 12 Jan 2023 330th hellwue 760 75 15 Feb 2023 330th nandanjp 760 75 29 Mar 2023 330th galloj 🇨🇿 760 75 20 May 2023 330th jhu04 760 75 23 Jun 2023 330th HelloYuiYui 760 75 1 Nov 2023 330th tobyLovick 760 75 10 Nov 2023 330th RZ781 760 75 19 Nov 2023 330th mikehanus 760 75 21 Nov 2023 330th Hebelub 760 75 6 Jan 2024 330th minhtrancccp 760 75 11 Jan 2024 330th jbjd 760 75 25 Feb 2024 330th gabe-gallegos 760 75 2 May 2024 330th kejcao 🇨🇦 760 75 11 May 2024 330th Florian-Mt 760 75 22 Jul 2024 330th codingisgreatbutiamnot 760 75 9 Aug 2024 330th Terobero 760 75 23 Aug 2024 330th RedzGoose 🇦🇺 760 75 7 Oct 2024 330th Clay-Goodling 760 75 8 Oct 2024 330th jiji7879 760 75 20 Jun 2025 330th faragocsaba 760 75 22 Jun 2025 330th bknower 760 75 30 Jun 2025 330th clayboll99 760 75 14 Jul 2025 368th guilhem-roy 🇫🇷 750 76 5 May 2022 368th NewDefectus 🇮🇱 750 76 6 May 2022 368th CuboidRaptor 🇨🇦 750 76 25 May 2022 368th TheSmilingTurtle 750 76 5 Jun 2022 368th Romain-1 🇫🇷 750 76 8 Jun 2022 368th jhpaques 🇫🇷 750 76 30 Jul 2022 368th chriscianfarani 750 76 10 Aug 2022 368th eshilo-draper 750 76 13 Sep 2022 First Prev 301–375 of 783 Next Last