The Calendar hole will go live in approximately 7 days. 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 81st sean-niemann 🇺🇸 937 50 135ms 19 Feb 2025 82nd nwellnhof 🇩🇪 936 45 249ms 23 Jul 2023 83rd DialFrost 🇸🇬 934 52 94ms 2 Jul 2025 84th JayXon 🇺🇸 934 66 2ms 6 Aug 2021 84th Lydxn 🇨🇦 934 66 2ms 10 Apr 2022 84th GrayJoKing 🇦🇺 934 66 2ms 14 Jul 2025 84th sean-niemann 🇺🇸 934 66 2ms 15 Jul 2025 88th clockworknazo 931 29 41ms 20 Aug 2022 89th DialFrost 🇸🇬 931 48 708ms 2 Sep 2025 90th NewDefectus 🇮🇱 931 53 9ms 29 Dec 2020 90th jared-hughes 931 53 9ms 7 Sep 2021 90th jbt 931 53 8ms 31 Dec 2023 90th ovs-code 🇩🇪 931 53 9ms 17 Nov 2024 94th Steffan153 🇫🇮 930 55 368ms 16 Jan 2024 94th xsot 🇸🇬 930 55 428ms 14 May 2024 94th sean-niemann 🇺🇸 930 55 415ms 29 Jul 2024 97th nwellnhof 🇩🇪 930 88 319ms 21 Nov 2021 97th JayXon 🇺🇸 930 88 321ms 28 Nov 2021 97th m-tkach 🇺🇦 930 88 352ms 1 Apr 2022 97th btnlq 930 88 314ms 12 Mar 2023 97th AdrienHache 🇫🇷 930 88 332ms 16 Sep 2025 102nd Lydxn 🇨🇦 930 90 60ms 2 Jan 2022 102nd JayXon 🇺🇸 930 90 59ms 3 Jan 2022 102nd m-tkach 🇺🇦 930 90 60ms 9 Jan 2022 102nd nwellnhof 🇩🇪 930 90 59ms 8 Jun 2022 102nd 09cf 930 90 54ms 17 Oct 2023 102nd MateuszPietrzak 🇵🇱 930 90 58ms 14 Jan 2024 102nd drabart 🇵🇱 930 90 59ms 16 Jan 2024 102nd sean-niemann 🇺🇸 930 90 54ms 22 Jul 2024 102nd DialFrost 🇸🇬 930 90 66ms 20 Dec 2024 102nd inventshah 930 90 61ms 31 Mar 2025 112th primo-ppcg 🇹🇭 929 44 29ms 24 May 2021 113th HPWiz 🇳🇿 929 74 116ms 25 Mar 2021 113th lynn 929 74 127ms 25 Mar 2021 113th xnor-gate 929 74 127ms 3 Jan 2022 113th ovs-code 🇩🇪 929 74 134ms 12 days ago 117th GrayJoKing 🇦🇺 927 31 3ms 4 Jun 2025 118th xsot 🇸🇬 927 47 1ms 25 Jun 2024 119th JayXon 🇺🇸 926 93 478ms 27 Sep 2025 120th kumavale 925 92 127ms 16 Oct 2025 120th JayXon 🇺🇸 925 92 137ms 16 Oct 2025 120th acotis 925 92 123ms 17 Oct 2025 123rd alemelis 923 54 2,103ms 9 Mar 2023 124th GrayJoKing 🇦🇺 923 56 62ms 14 days ago 125th sisyphus-ppcg 🇦🇺 922 44 35ms 27 Dec 2020 125th Lydxn 🇨🇦 922 44 35ms 15 May 2021 125th MeWhenI 🇻🇦 922 44 34ms 31 Mar 2022 125th stefangimmillaro 922 44 34ms 6 May 2023 125th Steffan153 🇫🇮 922 44 36ms 24 Jun 2024 125th sean-niemann 🇺🇸 922 44 35ms 11 Mar 2025 131st Steffan153 🇫🇮 920 67 1ms 3 Feb 2023 132nd JayXon 🇺🇸 920 68 2ms 12 Sep 2022 132nd GrayJoKing 🇦🇺 920 68 2ms 12 Sep 2022 132nd btnlq 920 68 2ms 12 Sep 2022 135th Lydxn 🇨🇦 920 89 328ms 21 Nov 2021 135th primo-ppcg 🇹🇭 920 89 316ms 21 Nov 2021 137th snyderek 🇺🇸 920 91 60ms 14 Nov 2024 137th KasperKivimaeki 🇫🇮 920 91 59ms 7 days ago 139th rucin93 🇵🇱 919 51 126ms 11 Aug 2024 140th Lydxn 🇨🇦 919 62 3ms 11 Oct 2023 140th DialFrost 🇸🇬 919 62 3ms 12 Jul 2024 140th JayXon 🇺🇸 919 62 2ms 12 Jul 2024 143rd JayXon 🇺🇸 919 64 83ms 27 Jun 2023 143rd sean-niemann 🇺🇸 919 64 5ms 2 Jul 2025 145th primo-ppcg 🇹🇭 919 67 112ms 31 May 2021 145th JayXon 🇺🇸 919 67 117ms 1 Jun 2021 147th Lydxn 🇨🇦 918 70 123ms 8 Nov 2021 147th JayXon 🇺🇸 918 70 129ms 8 Nov 2021 147th GrayJoKing 🇦🇺 918 70 120ms 6 Jul 2022 150th ovs-code 🇩🇪 916 53 80ms 16 days ago 151st GrayJoKing 🇦🇺 916 64 4ms 20 Aug 2023 152nd nwellnhof 🇩🇪 916 94 482ms 25 Sep 2025 152nd DialFrost 🇸🇬 916 94 366ms 26 Sep 2025 152nd sean-niemann 🇺🇸 916 94 466ms 26 Sep 2025 155th primo-ppcg 🇹🇭 915 46 242ms 29 Dec 2020 155th btnlq 915 46 220ms 29 Dec 2020 157th IanUtley 915 74 3,976ms 28 Nov 2023 158th tomtheisen 🇺🇸 914 54 9ms 27 Dec 2020 158th primo-ppcg 🇹🇭 914 54 9ms 29 Dec 2020 158th itsh01 914 54 9ms 19 Oct 2021 First Prev 81–160 of 1,988 Next Last