The Calendar hole will go live in approximately 6 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 400th MeWhenI 🇻🇦 867 59 350ms 13 Jul 2024 402nd BBoehm 🇩🇪 866 57 8ms 28 Dec 2020 402nd neihousaigaai 866 57 8ms 19 Mar 2021 402nd Shanethegamer 🇺🇸 866 57 8ms 22 Apr 2023 402nd biocommando 🇫🇮 866 57 9ms 12 Aug 2023 402nd olleicua 🇺🇸 866 57 8ms 20 Jan 2024 402nd helbling 🇨🇭 866 57 9ms 19 Jul 2024 408th JayXon 🇺🇸 866 157 1,615ms 15 Sep 2025 409th Shanethegamer 🇺🇸 865 68 79ms 17 Mar 2023 410th Shanethegamer 🇺🇸 865 96 1,319ms 17 Mar 2023 411th ovs-code 🇩🇪 864 47 38ms 24 Jun 2024 411th Andriamanitra 🇫🇮 864 47 38ms 28 Feb 2025 413th Shanethegamer 🇺🇸 863 77 88ms 12 May 2021 413th sean-niemann 🇺🇸 863 77 88ms 30 Dec 2024 415th billings7 🇬🇧 862 95 318ms 21 Nov 2021 416th DialFrost 🇸🇬 862 100 103ms 24 days ago 417th ovs-code 🇩🇪 861 161 465ms 27 Mar 2025 418th sean-niemann 🇺🇸 860 54 6ms 23 Dec 2023 418th targrik 860 54 6ms 24 Jan 2025 420th sean-niemann 🇺🇸 859 78 38ms 24 Jan 2025 421st annaproxy 859 80 121ms 4 Sep 2022 421st Natanaelel 🇸🇪 859 80 135ms 12 Feb 2025 423rd andersk 🇺🇸 859 99 125ms 8 Nov 2022 424th jared-hughes 858 74 1ms 16 Mar 2022 424th janbehrens 🇩🇪 858 74 1ms 21 Nov 2022 426th dbut2 🇦🇺 858 120 273ms 16 Jul 2025 426th edsrzf 🇳🇿 858 120 254ms 2 Sep 2025 428th Ripick 857 75 120ms 3 Feb 2023 429th annaproxy 857 79 10ms 22 Sep 2023 430th RockOfStone 856 72 1ms 5 Nov 2021 430th mtirado1 856 72 2ms 25 Dec 2022 430th regr4 856 72 1ms 13 Nov 2023 433rd primo-ppcg 🇹🇭 855 51 1,021ms 23 Mar 2021 434th RYNO8 854 63 11ms 26 Aug 2021 434th Bonjour27891 🇻🇳 854 63 16ms 20 Mar 2022 434th frankgraziano 854 63 11ms 15 Feb 2023 434th scpchicken 🇵🇼 854 63 17ms 21 Apr 2023 434th adamnielson42 🇺🇸 854 63 10ms 25 Apr 2023 434th stefangimmillaro 854 63 10ms 30 Jul 2023 434th elgan65536 854 63 10ms 31 Mar 2024 434th jtaxen 854 63 10ms 10 Jun 2024 434th AlephSquirrel 854 63 16ms 26 Jun 2024 434th 5cw 🇺🇸 854 63 10ms 15 Jul 2024 434th Seek64 🇩🇪 854 63 10ms 1 Feb 2025 434th andrewjc2000 854 63 10ms 9 Mar 2025 434th HPWiz 🇳🇿 854 63 9ms 24 Nov 2025 447th Shanethegamer 🇺🇸 853 60 457ms 16 Jan 2024 447th HumanoidCPU 853 60 386ms 17 Jun 2024 447th Babafaba 853 60 366ms 6 Nov 2025 450th Steffan153 🇫🇮 852 55 128ms 22 Aug 2024 451st dvargas46 🇺🇸 851 48 4ms 20 Jun 2022 452nd omurakazuaki 🇯🇵 851 58 8ms 25 Feb 2021 452nd Andrey-Plotnikov 851 58 9ms 6 Nov 2024 452nd Salutations45 851 58 8ms 11 Dec 2024 455th MeWhenI 🇻🇦 851 121 276ms 9 Feb 2023 455th DialFrost 🇸🇬 851 121 256ms 20 Dec 2024 457th primo-ppcg 🇹🇭 850 69 4ms 16 Aug 2023 457th Steffan153 🇫🇮 850 69 4ms 20 Aug 2023 459th Shanethegamer 🇺🇸 850 80 3,431ms 28 Oct 2024 459th JayXon 🇺🇸 850 80 3,246ms 12 Nov 2024 461st 386asm 🇺🇸 848 79 41ms 30 Apr 2023 462nd djeedjay 🇳🇱 847 75 2ms 5 Sep 2021 462nd SirBogman 🇺🇸 847 75 2ms 14 Dec 2021 462nd Bmrl7 847 75 2ms 8 Mar 2024 465th primo-ppcg 🇹🇭 847 98 1,268ms 30 Nov 2021 466th prplz 🇦🇺 846 48 36ms 27 Dec 2020 466th Natanaelel 🇸🇪 846 48 35ms 28 Feb 2023 466th pardouin 🇫🇷 846 48 38ms 9 Aug 2025 469th bstrat 845 34 2ms 28 Aug 2024 470th edsrzf 🇳🇿 845 89 41ms 15 Apr 2025 471st AlephSquirrel 844 32 43ms 30 Dec 2022 471st ovs-code 🇩🇪 844 32 49ms 27 Jul 2024 473rd DialFrost 🇸🇬 844 55 8ms 7 Jul 2024 474th emplv 🇱🇻 844 122 293ms 18 Jan 2022 474th stefangimmillaro 844 122 278ms 18 Sep 2023 476th schachmattmatt 841 64 9ms 20 Aug 2021 476th olivermrose 🇺🇸 841 64 15ms 28 Aug 2021 476th tkr-sh 🇰🇵 841 64 15ms 25 Apr 2022 476th P-Quentin 🇫🇷 841 64 26ms 3 Aug 2022 476th suwat513 841 64 15ms 22 Sep 2022 First Prev 401–480 of 1,990 Next Last