The Taxicab Numbers hole will go live in approximately 4 days. Why not try and solve it ahead of time?
Catalan Numbers 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> ALGOL 68 ArkScript 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 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Lily 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 Calendar Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz Continued Fractions 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 Gray Code Decoder Gray Code Encoder 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 Multitap Input 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 Alphabetic Numbers Apéry’s Constant Binary Lambda Calculus Connect Four Crossword CSS Colors (Inverse) CSS Grid Dragon Curve Ellipse Perimeters Flags Floyd-Steinberg Dithering Hexagonal Spiral Highly Composite Numbers NFA Simulator Nim Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Rectangle Fill Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Chars Time Submitted 641st ovs-code 🇩🇪 863 276 17ms 8 Jul 2024 642nd stefangimmillaro 862 191 119ms 3 May 2023 643rd primo-ppcg 🇹🇭 862 348 12ms 13 Aug 2025 644th 386asm 🇺🇸 860 175 43ms 4 May 2023 645th inventshah 859 79 2,380ms 25 Oct 2024 645th error256 859 79 2,325ms 26 Oct 2024 645th emgordon154 859 79 2,399ms 1 Nov 2024 648th sean-niemann 🇺🇸 859 128 461ms 4 May 2024 649th primo-ppcg 🇹🇭 859 129 40ms 14 Jan 2025 650th GrayJoKing 🇦🇺 858 43 498ms 16 Jan 2024 650th sisyphus-ppcg 🇦🇺 858 43 490ms 16 Jan 2024 650th annaproxy 858 43 515ms 21 Jan 2024 650th commandz0 🇺🇸 858 43 413ms 1 Sep 2025 650th dokutan 858 43 452ms 26 Feb 2026 655th MeWhenI 🇻🇦 858 59 46ms 13 Feb 2025 655th DialFrost 🇸🇬 858 59 42ms 13 Feb 2025 655th Shanethegamer 🇺🇸 858 59 39ms 13 Feb 2025 655th pardouin 🇫🇷 858 59 43ms 20 Mar 2025 659th jrm5399 🇰🇿 857 50 12ms 30 Jan 2022 659th Freddiechang 857 50 12ms 8 Mar 2024 659th madex 🇩🇪 857 50 28ms 20 days ago 662nd JayXon 🇺🇸 857 141 135ms 4 Apr 2025 663rd ovs-code 🇩🇪 857 180 10ms 15 Jul 2023 664th primo-ppcg 🇹🇭 857 218 5ms 6 Aug 2023 665th albanian-laundromat 🇺🇸 857 300 26ms 9 Mar 2026 666th Codsilla 🇨🇦 855 43 498ms 3 Nov 2023 666th Daniel-Ellison 855 43 312ms 10 Aug 2025 666th Lv0Sys 🇵🇱 855 43 287ms 6 Dec 2025 666th denkyuu1 855 43 296ms 21 days ago 670th Natanaelel 🇸🇪 855 58 1,393ms 3 Jan 2024 671st GolfingSuccess 🇬🇷 855 62 6ms 9 Feb 2026 672nd MeWhenI 🇻🇦 854 73 488ms 28 Feb 2022 672nd Shanethegamer 🇺🇸 854 73 487ms 23 Mar 2022 672nd DialFrost 🇸🇬 854 73 504ms 26 Oct 2023 672nd jipsong 🇩🇪 854 73 476ms 1 Jul 2024 672nd emgordon154 854 73 489ms 25 May 2025 677th arcpolaris 854 85 422ms 16 Dec 2024 678th KatieLG 🇬🇧 853 36 37ms 10 Apr 2022 678th SirBogman 🇺🇸 853 36 37ms 17 May 2022 678th Babafaba 853 36 37ms 15 Oct 2025 678th JOrE20 853 36 35ms 11 Feb 2026 682nd GrayJoKing 🇦🇺 852 21 42ms 28 Jul 2022 682nd ovs-code 🇩🇪 852 21 39ms 2 Feb 2024 682nd xsot 🇸🇬 852 21 41ms 9 Jun 2024 682nd pardouin 🇫🇷 852 21 41ms 11 Oct 2024 682nd CornerMercury 🇬🇧 852 21 43ms 23 Mar 2026 687th Shanethegamer 🇺🇸 851 72 119ms 22 May 2025 687th blaztoma 🇱🇹 851 72 112ms 28 Nov 2025 689th canissimia 🇦🇶 851 135 3ms 30 Jan 2022 689th btnlq 851 135 4ms 17 Nov 2022 691st j-Ewan 851 138 330ms 10 Mar 2022 692nd duckyluuk 🇳🇱 851 215 19ms 29 Nov 2025 693rd FlyingPenguin223 850 20 2ms 17 Oct 2024 694th dokutan 849 68 7ms 26 Feb 2026 695th Shanethegamer 🇺🇸 848 48 75ms 11 Mar 2023 696th sisyphus-ppcg 🇦🇺 847 42 29ms 22 May 2022 696th primo-ppcg 🇹🇭 847 42 29ms 23 May 2022 696th iakolzin 847 42 29ms 28 May 2022 696th saito-ta 🇯🇵 847 42 28ms 8 Jun 2022 696th nwellnhof 🇩🇪 847 42 28ms 8 Jun 2022 696th fuzzylojik-golf 🇺🇸 847 42 30ms 20 Sep 2025 702nd DialFrost 🇸🇬 846 53 10ms 24 Mar 2025 703rd JOrE20 846 304 26ms 11 Feb 2026 704th SirBogman 🇺🇸 845 36 276ms 17 May 2022 705th nwellnhof 🇩🇪 845 136 3ms 3 Dec 2022 706th JRaspass 🇬🇧 845 139 311ms 7 Feb 2024 706th Shanethegamer 🇺🇸 845 139 325ms 7 Feb 2024 706th DialFrost 🇸🇬 845 139 344ms 7 Feb 2024 709th fuzzylojik-golf 🇺🇸 844 75 107ms 8 Sep 2025 709th sean-niemann 🇺🇸 844 75 132ms 21 Sep 2025 711th annaproxy 844 86 503ms 5 May 2022 712th Steffan153 🇫🇮 844 262 52ms 24 hours ago 713th Bubbler-4 843 46 64ms 13 Sep 2023 714th snoozingnewt 🇨🇦 842 74 504ms 3 Dec 2025 715th ToE42 841 51 10ms 31 Jan 2022 715th kyleclaassen 841 51 11ms 12 Mar 2022 715th PiterAnnema 841 51 11ms 23 Mar 2022 715th OllieBoyne 🇬🇧 841 51 11ms 15 Apr 2022 715th TobyBoyne 🇬🇧 841 51 10ms 15 Apr 2022 715th SniperSmiley 🇺🇸 841 51 14ms 2 Jun 2022 First Prev 641–720 of 2,154 Next Last