The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Catalan Numbers 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 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 Bytes Time Submitted 900th Herbert00709 🇵🇱 756 26 42ms 21 Feb 2024 902nd SirFireball3521 755 52 11ms 3 Nov 2022 902nd albanian-laundromat 🇺🇸 755 52 10ms 24 Nov 2025 902nd madex 🇩🇪 755 52 11ms 21 days ago 905th ovs-code 🇩🇪 752 32 155ms 29 Dec 2023 905th Steffan153 🇫🇮 752 32 120ms 11 Mar 2024 907th iczelia 🇩🇪 752 52 29ms 14 Oct 2025 908th Terobero 752 57 13ms 21 Aug 2024 908th Mick-Travis 752 57 12ms 8 Dec 2024 910th pardouin 🇫🇷 752 84 117ms 8 Mar 2025 911th MeWhenI 🇻🇦 752 156 328ms 10 Feb 2023 912th Jeremy-Stafford 751 61 124ms 28 Feb 2023 912th inverseLorentz 🇦🇺 751 61 124ms 23 Apr 2024 914th dokutan 751 66 1,489ms 26 Feb 2026 915th pardouin 🇫🇷 750 68 5ms 26 Apr 2025 916th ovs-code 🇩🇪 749 161 136ms 21 Apr 2025 917th MeWhenI 🇻🇦 749 219 115ms 16 Aug 2024 918th snoozingnewt 🇨🇦 747 47 745ms 21 Nov 2025 919th Alex-x90 🇺🇸 747 147 570ms 6 May 2024 920th MeWhenI 🇻🇦 746 60 9ms 29 Jan 2022 921st ovs-code 🇩🇪 746 244 84ms 10 Jan 2023 921st GrayJoKing 🇦🇺 746 244 37ms 11 Jan 2023 923rd KasperKivimaeki 🇫🇮 745 154 1ms 3 Sep 2025 924th Shanethegamer 🇺🇸 744 85 115ms 14 Oct 2022 924th edsrzf 🇳🇿 744 85 110ms 30 Apr 2025 926th nipzu 744 162 135ms 2 Apr 2024 927th dpinchbe 735 28 33ms 6 Sep 2024 928th Waffle3z 735 189 2ms 29 Jan 2022 929th MeWhenI 🇻🇦 731 53 61ms 5 Apr 2025 930th Steffan153 🇫🇮 731 157 3ms 39 hours ago 931st HumanoidCPU 730 53 454ms 27 May 2024 931st Mabeloid 🇳🇴 730 53 455ms 21 Sep 2024 933rd ovs-code 🇩🇪 729 70 7ms 11 Dec 2023 933rd DialFrost 🇸🇬 729 70 6ms 1 Jan 2026 933rd dokutan 729 70 3ms 26 Feb 2026 936th dvargas46 🇺🇸 729 158 829ms 5 Feb 2023 937th CaedenHarper 🇨🇦 729 161 373ms 20 Nov 2025 938th iczelia 🇩🇪 727 54 10ms 14 Oct 2025 939th Shanethegamer 🇺🇸 725 73 6ms 4 Oct 2024 940th snoozingnewt 🇨🇦 725 164 97ms 8 Feb 2026 941st shellbertt 🇨🇦 724 52 226ms 19 Mar 2023 941st davbass 🇮🇹 724 52 253ms 22 Aug 2023 943rd madex 🇩🇪 724 54 30ms 21 days ago 944th h3ra993huskp 🇯🇵 723 150 571ms 30 Nov 2025 945th primo-ppcg 🇹🇭 720 160 73ms 4 Feb 2023 946th emgordon154 720 163 353ms 18 Jan 2025 947th msbranicky 716 54 458ms 17 Jan 2024 948th Irratix 🇳🇱 716 64 125ms 29 Jan 2022 949th msbranicky 715 164 328ms 31 Aug 2023 950th snoozingnewt 🇨🇦 714 43 39ms 26 Sep 2025 951st LeeCamp 714 60 10ms 9 Feb 2022 951st guilhem-roy 🇫🇷 714 60 12ms 22 Feb 2022 951st Eilonlif 🇮🇱 714 60 12ms 27 Aug 2022 951st LogicalJoe 714 60 11ms 18 Sep 2022 951st 5quiwyrm 714 60 11ms 22 Oct 2022 951st TaserTheFox 🇺🇸 714 60 12ms 9 Jan 2023 951st ljweel 714 60 10ms 13 Feb 2023 951st shellbertt 🇨🇦 714 60 11ms 27 Apr 2023 951st ssbhatt4321 714 60 11ms 11 Jun 2023 951st 2011-Chan-Ethan 714 60 11ms 14 Jul 2023 951st PeterTillema 🇳🇱 714 60 11ms 10 Oct 2023 951st kurkale6ka 714 60 11ms 21 Dec 2023 951st sultan 714 60 11ms 3 Mar 2024 951st cuboids 714 60 11ms 10 Jul 2024 951st jatloe 714 60 10ms 27 Sep 2024 951st alemelis 714 60 10ms 13 Oct 2024 951st csharpython 714 60 10ms 5 Aug 2025 951st BREMAUCY 🇫🇷 714 60 10ms 11 Aug 2025 951st denkyuu1 714 60 10ms 16 Feb 2026 951st Mikey-Beep 🇬🇧 714 60 10ms 13 days ago 971st dokutan 714 109 226ms 18 Mar 2025 972nd MeWhenI 🇻🇦 713 57 77ms 1 Jun 2022 973rd qwertyuiop3 🇷🇺 713 154 106ms 26 May 2025 974th rokasveitas 🇱🇹 711 53 272ms 16 May 2022 975th kevinnaviapaiva 708 24 2ms 3 Mar 2026 976th typeswitch-dev 🇵🇹 708 217 4ms 24 Jul 2023 977th MeWhenI 🇻🇦 706 75 6ms 14 Feb 2025 978th aDwarfNamedUrist 705 65 124ms 9 Oct 2023 979th knutae 🇳🇴 703 61 10ms 3 Feb 2022 979th cros107 🇦🇺 703 61 10ms 2 Nov 2022 979th Baxi-codes 703 61 11ms 24 Dec 2022 979th thatbirdguythatuknownot 703 61 11ms 14 Jan 2023 979th mathb0y512 703 61 10ms 20 Apr 2023 979th drochom 703 61 12ms 17 Jun 2024 979th tphLatte 703 61 10ms 3 Jul 2024 979th NanduBC 703 61 10ms 6 Sep 2024 979th Pyroan 703 61 10ms 13 May 2025 979th Tristanchaang 703 61 11ms 15 Nov 2025 989th voytxt 🇨🇿 701 134 1,206ms 2 Mar 2025 990th nullie 701 172 134ms 30 Dec 2024 991st DialFrost 🇸🇬 700 155 560ms 14 Nov 2025 992nd sisyphus-ppcg 🇦🇺 700 164 3ms 29 Jan 2022 993rd rucin93 🇵🇱 699 190 378ms 2 days ago 994th MeWhenI 🇻🇦 698 158 39ms 29 Apr 2025 995th snoozingnewt 🇨🇦 698 235 123ms 8 Feb 2026 996th CedricGebistorf 691 62 11ms 6 Feb 2022 996th Indivicivet 691 62 11ms 9 May 2022 996th MaxElf999 691 62 11ms 24 May 2022 996th rowboat1 691 62 11ms 18 Jun 2022 996th jfallon1997 691 62 10ms 8 Aug 2022 First Prev 901–1,000 of 2,083 Next Last