The Calendar hole will go live in approximately 6 days. Why not try and solve it ahead of time?
Recamán in all languages in bytes. 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 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 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 Calendar 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 Multitap Input 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 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 Arturo Befunge BQN CJam CoffeeScript Egel 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 Minesweeper 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 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 Calendar 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 Multitap Input 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 Bytes Time Submitted 478th stordev 852 70 17ms 26 Feb 2021 478th CodyMiner 852 70 17ms 14 Nov 2021 478th neihousaigaai 852 70 10ms 28 Jul 2022 478th 051 🇸🇬 852 70 10ms 8 Aug 2022 478th galloj 🇨🇿 852 70 10ms 28 Aug 2022 478th fredrik-bakke 🇳🇴 852 70 10ms 2 Oct 2022 478th andersk 🇺🇸 852 70 11ms 25 Oct 2022 478th kevinmchung 852 70 10ms 4 Nov 2022 478th myfatemi04 852 70 9ms 4 Nov 2022 478th thehylian 852 70 17ms 8 Jan 2023 478th SirFireball3521 852 70 10ms 24 Jan 2023 478th Fracture17 852 70 16ms 13 Apr 2023 478th davecame 852 70 10ms 29 Sep 2023 478th keelimeguy 🇺🇸 852 70 10ms 7 Nov 2023 478th wen1now 852 70 10ms 8 Nov 2023 478th logvp 852 70 16ms 15 Jan 2024 478th cros107 🇦🇺 852 70 16ms 14 Feb 2024 478th stertooy 🇧🇪 852 70 10ms 10 Jun 2024 478th fgrosshans 🇫🇷 852 70 10ms 11 Jun 2024 478th BlankSpruce 852 70 10ms 14 Sep 2024 478th klixel 🇨🇦 852 70 9ms 31 Dec 2024 478th gigaprofisi 🇺🇸 852 70 20ms 3 Mar 2025 478th TheZwierzLF 🇵🇱 852 70 11ms 18 May 2025 478th fuzzylojik-golf 🇺🇸 852 70 10ms 28 Jun 2025 478th wuduculfre 852 70 10ms 22 Jul 2025 478th qpwoeirut 852 70 16ms 19 Aug 2025 478th blaztoma 🇱🇹 852 70 10ms 3 Oct 2025 478th Babafaba 852 70 9ms 6 Nov 2025 509th 386asm 🇺🇸 852 79 41ms 30 Apr 2023 510th Steffan153 🇫🇮 850 61 446ms 1 Jan 2023 511th primo-ppcg 🇹🇭 850 98 1,268ms 30 Nov 2021 512th prplz 🇦🇺 849 48 40ms 27 Dec 2020 512th Natanaelel 🇸🇪 849 48 43ms 28 Feb 2023 512th pardouin 🇫🇷 849 48 37ms 9 Aug 2025 515th DialFrost 🇸🇬 848 55 8ms 7 Jul 2024 516th edsrzf 🇳🇿 848 89 41ms 15 Apr 2025 517th MeWhenI 🇻🇦 846 122 276ms 9 Feb 2023 517th emplv 🇱🇻 846 122 293ms 26 Feb 2024 519th stefangimmillaro 844 52 1,027ms 6 May 2023 520th snoozingnewt 🇨🇦 844 64 359ms 25 days ago 521st Yewzir 🇧🇪 842 68 2ms 14 Oct 2023 522nd DialFrost 🇸🇬 841 82 119ms 8 Aug 2024 523rd andre-lameirinhas 🇵🇹 840 71 10ms 12 Jan 2021 523rd Attero 🇸🇪 840 71 17ms 23 Jan 2021 523rd ydevor 🇮🇱 840 71 16ms 18 Feb 2021 523rd vezzick 840 71 10ms 8 Mar 2021 523rd Fishron 840 71 11ms 17 Oct 2021 523rd Indivicivet 840 71 17ms 26 Oct 2021 523rd LiquidPulsar 840 71 10ms 29 Nov 2021 523rd CedricGebistorf 840 71 10ms 11 Feb 2022 523rd MichalMarsalek 🇨🇿 840 71 9ms 16 Mar 2022 523rd Tess2662 840 71 10ms 28 Aug 2022 523rd TaserTheFox 🇺🇸 840 71 26ms 25 May 2023 523rd AlexanderFair 840 71 10ms 1 Jul 2023 523rd quimey 840 71 10ms 28 Jul 2023 523rd yourlefthandman 840 71 10ms 17 Aug 2023 523rd FortuiteMan 🇫🇷 840 71 10ms 26 Aug 2023 523rd mathisfun271 840 71 10ms 5 Feb 2024 523rd jmfk 840 71 17ms 12 Apr 2024 523rd aalec 840 71 16ms 4 May 2024 523rd ahmetdemirag 🇨🇾 840 71 10ms 14 Jun 2024 523rd azure-blondon 840 71 9ms 16 Jun 2024 523rd CutSandstone 840 71 10ms 19 Jul 2024 523rd Artemis21 🇬🇧 840 71 10ms 21 Dec 2024 523rd luuumine 🇫🇷 840 71 17ms 14 Oct 2025 523rd CommandLeo 🇮🇹 840 71 11ms 3 days ago 547th DialFrost 🇸🇬 839 49 3ms 30 Oct 2024 548th Maznek 839 59 9ms 27 Dec 2023 549th xkacer 🇨🇿 839 77 1ms 7 Feb 2021 550th stefangimmillaro 839 123 278ms 14 Jun 2023 551st sean-niemann 🇺🇸 838 75 2ms 18 Jan 2025 552nd MeWhenI 🇻🇦 836 74 2ms 31 Dec 2022 553rd Shanethegamer 🇺🇸 834 77 75ms 17 Mar 2023 554th bbakersmith 834 82 50ms 1 Aug 2021 555th sean-niemann 🇺🇸 833 54 738ms 19 days ago 556th janbehrens 🇩🇪 833 56 6ms 8 Jun 2021 557th DialFrost 🇸🇬 833 82 3,499ms 25 Oct 2024 558th SirBogman 🇺🇸 832 49 38ms 28 Dec 2020 558th gilufin 832 49 39ms 8 Aug 2021 558th m-tkach 🇺🇦 832 49 37ms 14 Feb 2023 First Prev 481–560 of 2,005 Next Last