The Calendar hole will go live in approximately 37 hours. Why not try and solve it ahead of time?
Recamán 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 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 Chars Time Submitted 240th snoozingnewt 🇨🇦 897 57 378ms 30 Nov 2025 242nd HETHAT 🇩🇿 897 60 10ms 20 Mar 2021 242nd Shanethegamer 🇺🇸 897 60 17ms 8 May 2021 242nd MeWhenI 🇻🇦 897 60 10ms 22 Oct 2021 242nd anter69 🇭🇺 897 60 16ms 22 Jan 2022 242nd ZakkkkAttackkkk 🇵🇭 897 60 10ms 13 Mar 2022 242nd TFeld00 🇩🇰 897 60 17ms 19 May 2022 242nd galloj 🇨🇿 897 60 10ms 28 Aug 2022 242nd 2011-Chan-Ethan 897 60 10ms 20 Jul 2023 242nd keelimeguy 🇺🇸 897 60 10ms 7 Nov 2023 242nd HumanoidCPU 897 60 10ms 17 Jun 2024 242nd qpwoeirut 897 60 17ms 1 Oct 2025 242nd Babafaba 897 60 11ms 6 Nov 2025 254th m-tkach 🇺🇦 897 102 1,392ms 19 May 2022 255th Bubbler-4 896 35 35ms 8 Dec 2021 255th nwellnhof 🇩🇪 896 35 35ms 4 Mar 2023 255th HPWiz 🇳🇿 896 35 35ms 4 Mar 2023 255th primo-ppcg 🇹🇭 896 35 34ms 10 Mar 2023 255th SirBogman 🇺🇸 896 35 34ms 17 Nov 2023 255th Frowny 896 35 33ms 10 Mar 2025 261st lynn 896 99 29ms 16 Jul 2023 261st m-tkach 🇺🇦 896 99 29ms 5 Feb 2024 263rd JayXon 🇺🇸 895 71 1ms 6 Jun 2021 263rd nwellnhof 🇩🇪 895 71 1ms 15 Jun 2021 263rd sisyphus-ppcg 🇦🇺 895 71 1ms 15 Jun 2021 263rd Lydxn 🇨🇦 895 71 2ms 19 Apr 2022 263rd m-tkach 🇺🇦 895 71 1ms 15 May 2022 263rd Irratix 🇳🇱 895 71 2ms 13 Jun 2022 263rd southpolenator 895 71 1ms 16 Jun 2023 263rd ognen98 895 71 1ms 16 Jun 2023 263rd 09cf 895 71 6ms 17 Oct 2023 263rd xiaoyiming123 895 71 1ms 23 Jul 2025 273rd zacjl 895 84 43ms 13 Feb 2025 273rd kg583 🇺🇸 895 84 41ms 26 Aug 2025 275th primo-ppcg 🇹🇭 894 75 40ms 20 Jun 2022 276th sisyphus-ppcg 🇦🇺 893 52 5ms 27 Dec 2020 277th Waffle3z 893 69 2ms 12 May 2021 277th DialFrost 🇸🇬 893 69 2ms 1 Nov 2024 277th FlyingPenguin223 893 69 2ms 7 Dec 2024 280th lynn 893 93 1,299ms 17 Feb 2023 281st canissimia 🇦🇶 893 226 76ms 24 Mar 2022 282nd Shanethegamer 🇺🇸 892 72 124ms 15 May 2021 282nd primo-ppcg 🇹🇭 892 72 122ms 1 Aug 2023 282nd DialFrost 🇸🇬 892 72 119ms 13 Jul 2024 285th typeswitch-dev 🇵🇹 892 80 3ms 26 Jul 2023 285th GrayJoKing 🇦🇺 892 80 4ms 27 Jul 2023 287th kg583 🇺🇸 892 81 17ms 2 Aug 2025 288th MeWhenI 🇻🇦 891 64 2ms 11 Oct 2023 288th Steffan153 🇫🇮 891 64 2ms 11 Oct 2023 288th GrayJoKing 🇦🇺 891 64 2ms 28 Jun 2024 288th sean-niemann 🇺🇸 891 64 2ms 22 Jul 2024 288th rucin93 🇵🇱 891 64 2ms 24 Jul 2024 293rd btnlq 891 66 12ms 22 Aug 2024 294th GrayJoKing 🇦🇺 891 76 10ms 17 Nov 2021 294th btnlq 891 76 10ms 18 Nov 2021 296th SirBogman 🇺🇸 891 94 58ms 3 Jan 2022 296th primo-ppcg 🇹🇭 891 94 59ms 18 Jan 2022 298th JayXon 🇺🇸 890 49 880ms 11 Dec 2021 298th Steffan153 🇫🇮 890 49 814ms 22 Apr 2023 300th ovs-code 🇩🇪 890 56 463ms 26 Oct 2023 300th DialFrost 🇸🇬 890 56 2,028ms 12 Jan 2024 302nd GrayJoKing 🇦🇺 890 90 437ms 5 Mar 2022 303rd namelessiw 890 92 348ms 22 Jul 2024 303rd Yax42 🇫🇷 890 92 370ms 31 Jan 2025 305th MeWhenI 🇻🇦 889 85 6ms 26 Mar 2024 306th edsrzf 🇳🇿 888 97 404ms 24 Sep 2025 307th nwellnhof 🇩🇪 888 116 279ms 1 Jan 2021 308th Steffan153 🇫🇮 887 100 28ms 17 Mar 2023 309th m-tkach 🇺🇦 887 112 3ms 17 May 2022 310th stefangimmillaro 886 75 95ms 6 May 2023 310th DialFrost 🇸🇬 886 75 85ms 10 Jul 2024 312th typeswitch-dev 🇵🇹 886 96 121ms 29 Aug 2023 313th GrayJoKing 🇦🇺 884 53 126ms 7 Aug 2024 313th JayXon 🇺🇸 884 53 130ms 25 Oct 2024 315th canissimia 🇦🇶 884 133 758ms 31 Oct 2023 316th primo-ppcg 🇹🇭 882 46 39ms 29 Dec 2020 317th xkacer 🇨🇿 882 56 9ms 4 Feb 2021 317th uttumuttu 🇫🇮 882 56 9ms 4 Jan 2022 317th BambooleanLogic 🇸🇪 882 56 9ms 19 Aug 2022 317th MeWhenI 🇻🇦 882 56 8ms 8 Dec 2022 First Prev 241–320 of 1,990 Next Last