Farey Sequence in all languages in chars. Achievements Cheevos Holes Languages Medals Miscellaneous 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 Calendar 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Erlang 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 ArkScript Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar 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 Minesweeper Morse Decoder Morse Encoder Multitap Input 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 Tower of Hanoi 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 Binary Lambda Calculus Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 640th Natanaelel 🇸🇪 675 83 12ms 22 Mar 2024 640th davecame 675 83 17ms 25 Apr 2024 643rd MeWhenI 🇻🇦 675 105 5ms 1 Dec 2023 644th the-zammers 674 108 129ms 15 Dec 2023 645th Shanethegamer 🇺🇸 673 106 14ms 31 Jan 2024 645th AlephSquirrel 673 106 11ms 24 Jun 2024 647th kmathis22 670 113 533ms 6 Dec 2025 648th janbehrens 🇩🇪 667 83 7ms 1 Dec 2023 649th jared-hughes 667 84 13ms 17 Dec 2023 649th stertooy 🇧🇪 667 84 11ms 14 Jun 2024 649th sacredeux 667 84 11ms 20 Aug 2024 649th hiichbindermax 667 84 11ms 27 May 2025 653rd Ripick 666 94 120ms 24 Jun 2024 654th HumanoidCPU 665 114 454ms 8 Nov 2025 655th NickTheEASDude 🇺🇸 664 87 11ms 25 Apr 2024 656th BREMAUCY 🇫🇷 663 106 83ms 4 Dec 2023 657th AlephSquirrel 659 81 449ms 16 Jan 2024 658th KrausRaus 🇺🇸 659 85 11ms 1 Dec 2023 658th jeff-at-tamer-dot-codes 🇺🇸 659 85 21ms 19 Dec 2023 660th MichalMarsalek 🇨🇿 659 95 140ms 1 Dec 2023 661st luuumine 🇫🇷 659 98 2ms 19 Nov 2025 662nd JOrE20 🇺🇸 656 88 13ms 2 days ago 663rd tobeannouncd 656 111 128ms 11 Jan 2024 664th MeWhenI 🇻🇦 654 191 9ms 1 Dec 2023 665th Just4FunCoder 652 86 23ms 26 Feb 2024 665th SB-945 652 86 25ms 7 Apr 2024 665th Babafaba 652 86 27ms 22 Oct 2025 668th KatieLG 🇬🇧 651 82 375ms 28 Oct 2024 669th MeWhenI 🇻🇦 650 84 5ms 16 Aug 2024 670th SirFireball3521 648 62 144ms 13 Sep 2024 671st dokutan 648 149 296ms 10 Dec 2024 672nd jatloe 644 87 25ms 24 Aug 2024 673rd alomiF 644 113 152ms 6 Dec 2023 674th m42km 643 83 442ms 1 Feb 2024 675th cyrilboyer 🇫🇷 643 118 123ms 19 Dec 2023 676th snoozingnewt 🇨🇦 643 150 272ms 15 Oct 2025 677th jbt 641 90 15ms 24 Dec 2023 677th thisishowmymindworks 🇳🇴 641 90 11ms 28 Jun 2024 679th Yewzir 🇧🇪 639 92 112ms 27 Mar 2024 680th elgan65536 🇺🇸 639 101 2ms 5 Dec 2023 680th madex 🇩🇪 639 101 2ms 13 Feb 2024 680th Herbert00709 🇵🇱 639 101 2ms 3 Sep 2024 683rd snoozingnewt 🇨🇦 639 110 83ms 15 Oct 2025 684th FlorianCassayre 🇫🇷 637 88 21ms 18 May 2024 684th jacekwladzinski 637 88 10ms 3 Oct 2025 686th gifti258 637 99 69ms 8 Aug 2025 687th janbehrens 🇩🇪 634 91 15ms 1 Dec 2023 687th eranws 634 91 11ms 16 Mar 2024 687th HumanoidCPU 634 91 10ms 16 Nov 2025 690th northsuperman 633 102 2ms 24 Mar 2024 691st dokutan 633 104 2ms 26 Oct 2024 692nd Yewzir 🇧🇪 633 111 83ms 5 Feb 2024 692nd HumanoidCPU 633 111 83ms 5 Jun 2024 694th luuumine 🇫🇷 633 120 125ms 19 Nov 2025 695th lifthrasiir 🇰🇷 629 46 3ms 5 Dec 2024 696th IISResetMe 629 67 739ms 4 Dec 2023 697th Creative0708 🇨🇦 627 121 123ms 16 Dec 2023 697th mousetail 🇳🇱 627 121 123ms 24 Mar 2024 699th snoozingnewt 🇨🇦 624 109 120ms 29 Nov 2025 700th HumanoidCPU 623 67 37ms 5 Jun 2024 701st commandz0 🇺🇸 623 90 11ms 1 Dec 2023 701st ZakkkkAttackkkk 🇵🇭 623 90 11ms 9 May 2024 701st HumanoidCPU 623 90 21ms 5 Jun 2024 701st Bmrl7 623 90 12ms 24 Dec 2025 705th Babafaba 621 86 415ms 22 Oct 2025 706th two-bad 🇬🇧 621 93 10ms 5 Feb 2024 706th helbling 🇨🇭 621 93 10ms 16 Jun 2024 706th snoozingnewt 🇨🇦 621 93 12ms 15 Oct 2025 709th iczelia 🇩🇪 621 104 2ms 10 Oct 2025 710th SirBogman 🇺🇸 620 68 266ms 18 May 2024 711th MeWhenI 🇻🇦 618 105 13ms 1 Dec 2023 712th msbranicky 618 154 25ms 3 Jan 2024 713th Daniel-Ellison 617 78 633ms 8 Aug 2025 714th agreegious 616 91 11ms 17 Nov 2024 714th ahmetdemirag 🇨🇾 616 91 12ms 11 days ago 716th Lydxn 🇨🇦 616 123 414ms 16 Dec 2023 717th Andrey-Plotnikov 614 94 11ms 13 Jan 2025 718th bac0id 614 139 409ms 10 Jan 2025 719th dokutan 614 155 25ms 20 Apr 2025 720th Shanethegamer 🇺🇸 613 68 37ms 1 Dec 2023 First Prev 641–720 of 1,505 Next Last