The Calendar hole will go live in approximately 13 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 321st primo-ppcg 🇹🇭 886 46 35ms 29 Dec 2020 322nd GrayJoKing 🇦🇺 886 61 367ms 16 Jan 2024 322nd sisyphus-ppcg 🇦🇺 886 61 365ms 16 Jan 2024 322nd m-tkach 🇺🇦 886 61 362ms 20 Jan 2024 322nd kg583 🇺🇸 886 61 391ms 12 Mar 2024 322nd DialFrost 🇸🇬 886 61 414ms 26 Jun 2024 322nd sean-niemann 🇺🇸 886 61 449ms 29 Jul 2024 322nd CaedenHarper 🇨🇦 886 61 397ms 7 Feb 2025 329th GrayJoKing 🇦🇺 886 83 3ms 7 Jul 2024 330th canissimia 🇦🇶 886 133 758ms 31 Oct 2023 331st tsunderu 🇯🇵 885 73 2ms 14 Sep 2021 331st inventshah 885 73 1ms 23 Jan 2022 331st LorenzoDeGaspari 885 73 2ms 20 Jun 2022 331st MeWhenI 🇻🇦 885 73 1ms 8 Dec 2022 331st KenanHanke 885 73 2ms 25 Feb 2023 331st Steffan153 🇫🇮 885 73 1ms 25 Mar 2023 331st sean-niemann 🇺🇸 885 73 2ms 22 Jul 2024 331st Bpc-CPU 885 73 2ms 23 Jul 2025 339th marcin7Cd 885 89 8ms 8 Feb 2021 340th xkacer 🇨🇿 884 56 9ms 4 Feb 2021 340th uttumuttu 🇫🇮 884 56 9ms 4 Jan 2022 340th BambooleanLogic 🇸🇪 884 56 9ms 19 Aug 2022 340th MeWhenI 🇻🇦 884 56 8ms 8 Dec 2022 340th tayloia 🇬🇧 884 56 9ms 18 May 2023 340th efgen 884 56 9ms 26 Jun 2023 340th duckyluuk 🇳🇱 884 56 9ms 4 Oct 2024 347th edsrzf 🇳🇿 884 70 1ms 14 Jul 2025 348th ovs-code 🇩🇪 884 91 388ms 28 Feb 2022 348th janbehrens 🇩🇪 884 91 386ms 21 Nov 2022 350th MeWhenI 🇻🇦 884 95 81ms 8 May 2022 350th namcartoon06 884 95 79ms 30 Jun 2023 350th qwertyuiop3 🇷🇺 884 95 75ms 2 Jun 2025 353rd Shanethegamer 🇺🇸 883 70 93ms 15 May 2021 353rd DialFrost 🇸🇬 883 70 99ms 13 Jul 2024 355th ovs-code 🇩🇪 882 67 8ms 21 Aug 2024 355th Steffan153 🇫🇮 882 67 7ms 21 Aug 2024 357th emplv 🇱🇻 880 53 4ms 6 May 2021 357th xsot 🇸🇬 880 53 4ms 3 May 2025 359th HPWiz 🇳🇿 879 33 2ms 13 Jan 2022 360th sisyphus-ppcg 🇦🇺 878 41 2ms 15 Apr 2021 361st Shanethegamer 🇺🇸 878 50 1,295ms 20 Oct 2021 361st pardouin 🇫🇷 878 50 914ms 9 Aug 2025 363rd JayXon 🇺🇸 878 59 316ms 24 May 2024 364th Steffan153 🇫🇮 878 74 99ms 3 Feb 2023 364th sean-niemann 🇺🇸 878 74 102ms 9 May 2023 366th MeWhenI 🇻🇦 878 118 5ms 6 Jun 2021 367th hallvabo 🇳🇴 877 68 10ms 27 Dec 2020 367th btjones0 877 68 10ms 28 Dec 2020 367th SirBogman 🇺🇸 877 68 10ms 30 Dec 2020 367th lynn 877 68 10ms 18 Nov 2021 367th annaproxy 877 68 10ms 11 Dec 2021 367th bricknellj 877 68 10ms 3 Mar 2023 367th janbehrens 🇩🇪 877 68 10ms 17 Jun 2023 367th Lewenhaupt 877 68 10ms 19 Apr 2024 367th bob-th 877 68 13ms 26 Jul 2024 367th lifthrasiir 🇰🇷 877 68 10ms 14 Nov 2024 367th Pyroan 877 68 10ms 13 Mar 2025 367th BrunoVisnadi 🇧🇷 877 68 11ms 4 Oct 2025 367th 09cf 877 68 10ms 17 Nov 2025 380th primo-ppcg 🇹🇭 877 186 12ms 13 Aug 2025 381st sisyphus-ppcg 🇦🇺 876 50 2ms 15 Nov 2022 382nd clockworknazo 876 84 3ms 29 Sep 2022 382nd ovs-code 🇩🇪 876 84 3ms 22 Jul 2024 384th jared-hughes 876 178 10ms 19 Dec 2024 385th primo-ppcg 🇹🇭 875 75 39ms 3 Jul 2023 386th DialFrost 🇸🇬 874 61 7ms 13 Dec 2024 386th MeWhenI 🇻🇦 874 61 6ms 16 Dec 2024 388th albanian-laundromat 874 77 40ms 6 Sep 2025 389th snoozingnewt 🇨🇦 874 100 114ms 12 days ago 390th primo-ppcg 🇹🇭 874 105 24ms 10 May 2023 391st Steffan153 🇫🇮 873 55 128ms 22 Aug 2024 392nd Shanethegamer 🇺🇸 873 72 2ms 17 Mar 2023 392nd DialFrost 🇸🇬 873 72 2ms 19 Dec 2024 394th jared-hughes 873 74 1ms 16 Mar 2022 394th janbehrens 🇩🇪 873 74 1ms 21 Nov 2022 394th qwertyuiop3 🇷🇺 873 74 2ms 2 Jun 2025 397th GrayJoKing 🇦🇺 873 102 29ms 4 Jan 2023 398th neel11235813 872 62 487ms 15 Jan 2024 398th duckyluuk 🇳🇱 872 62 403ms 28 Mar 2024 398th AlephSquirrel 872 62 374ms 26 Jun 2024 First Prev 321–400 of 2,002 Next Last