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 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 900th albanian-laundromat 🇺🇸 755 52 10ms 24 Nov 2025 900th madex 🇩🇪 755 52 11ms 21 days ago 903rd namelessiw 753 49 476ms 19 Aug 2024 904th pardouin 🇫🇷 753 84 117ms 8 Mar 2025 905th MeWhenI 🇻🇦 753 156 328ms 10 Feb 2023 906th PrathamMehta08 752 57 13ms 6 Dec 2023 906th Terobero 752 57 13ms 21 Aug 2024 906th AtengChen 752 57 10ms 7 Sep 2024 906th Mick-Travis 752 57 12ms 8 Dec 2024 910th Jeremy-Stafford 752 61 124ms 28 Feb 2023 910th inverseLorentz 🇦🇺 752 61 124ms 23 Apr 2024 912th MeWhenI 🇻🇦 752 219 115ms 16 Aug 2024 913th dokutan 751 66 1,489ms 26 Feb 2026 914th pardouin 🇫🇷 751 68 5ms 26 Apr 2025 915th ovs-code 🇩🇪 750 161 136ms 21 Apr 2025 916th snoozingnewt 🇨🇦 748 47 745ms 21 Nov 2025 917th Alex-x90 🇺🇸 748 147 570ms 6 May 2024 918th ovs-code 🇩🇪 748 244 84ms 10 Jan 2023 918th GrayJoKing 🇦🇺 748 244 37ms 11 Jan 2023 920th MeWhenI 🇻🇦 747 60 9ms 29 Jan 2022 921st Shanethegamer 🇺🇸 745 85 115ms 14 Oct 2022 921st edsrzf 🇳🇿 745 85 110ms 30 Apr 2025 923rd nipzu 745 162 135ms 2 Apr 2024 924th snoozingnewt 🇨🇦 741 48 29ms 3 Dec 2025 925th jbjd 739 58 12ms 25 Feb 2024 926th Steffan153 🇫🇮 738 29 133ms 14 Nov 2022 926th ovs-code 🇩🇪 738 29 155ms 29 Dec 2023 928th CheeseCake628 🇳🇴 737 50 388ms 18 Oct 2025 929th dpinchbe 735 28 33ms 6 Sep 2024 930th MeWhenI 🇻🇦 732 53 61ms 5 Apr 2025 931st Steffan153 🇫🇮 732 157 3ms 38 hours ago 932nd dvargas46 🇺🇸 731 158 829ms 5 Feb 2023 933rd ovs-code 🇩🇪 729 70 7ms 11 Dec 2023 933rd DialFrost 🇸🇬 729 70 6ms 1 Jan 2026 935th CaedenHarper 🇨🇦 729 161 373ms 20 Nov 2025 936th iczelia 🇩🇪 727 54 10ms 14 Oct 2025 937th snoozingnewt 🇨🇦 727 164 97ms 8 Feb 2026 938th Shanethegamer 🇺🇸 726 73 6ms 4 Oct 2024 939th h3ra993huskp 🇯🇵 724 150 571ms 30 Nov 2025 940th Stockoh 🇫🇷 723 51 517ms 23 Jun 2024 941st primo-ppcg 🇹🇭 722 160 73ms 4 Feb 2023 942nd davbass 🇮🇹 721 51 253ms 22 Aug 2023 943rd emgordon154 721 163 353ms 18 Jan 2025 944th SniperSmiley 🇺🇸 716 25 42ms 4 Sep 2022 945th Irratix 🇳🇱 716 64 125ms 29 Jan 2022 946th dokutan 716 109 226ms 18 Mar 2025 947th msbranicky 716 164 328ms 31 Aug 2023 948th snoozingnewt 🇨🇦 714 43 39ms 26 Sep 2025 949th MeWhenI 🇻🇦 714 57 77ms 1 Jun 2022 950th LeeCamp 714 60 10ms 9 Feb 2022 950th guilhem-roy 🇫🇷 714 60 12ms 22 Feb 2022 950th Eilonlif 🇮🇱 714 60 12ms 27 Aug 2022 950th LogicalJoe 714 60 11ms 18 Sep 2022 950th 5quiwyrm 714 60 11ms 22 Oct 2022 950th TaserTheFox 🇺🇸 714 60 12ms 9 Jan 2023 950th ljweel 714 60 10ms 13 Feb 2023 950th shellbertt 🇨🇦 714 60 11ms 27 Apr 2023 950th ssbhatt4321 714 60 11ms 11 Jun 2023 950th PeterTillema 🇳🇱 714 60 11ms 10 Oct 2023 950th kurkale6ka 714 60 11ms 21 Dec 2023 950th sultan 714 60 11ms 3 Mar 2024 950th alemelis 714 60 10ms 13 Oct 2024 950th csharpython 714 60 10ms 5 Aug 2025 950th BREMAUCY 🇫🇷 714 60 10ms 11 Aug 2025 950th denkyuu1 714 60 10ms 16 Feb 2026 950th Mikey-Beep 🇬🇧 714 60 10ms 13 days ago 967th qwertyuiop3 🇷🇺 714 154 106ms 26 May 2025 968th typeswitch-dev 🇵🇹 711 217 4ms 24 Jul 2023 969th kevinnaviapaiva 708 24 2ms 3 Mar 2026 970th rokasveitas 🇱🇹 707 52 272ms 16 May 2022 970th shellbertt 🇨🇦 707 52 226ms 19 Mar 2023 972nd MeWhenI 🇻🇦 707 75 6ms 14 Feb 2025 973rd aDwarfNamedUrist 705 65 124ms 9 Oct 2023 974th knutae 🇳🇴 703 61 10ms 3 Feb 2022 974th cros107 🇦🇺 703 61 10ms 2 Nov 2022 974th Baxi-codes 703 61 11ms 24 Dec 2022 974th thatbirdguythatuknownot 703 61 11ms 14 Jan 2023 974th mathb0y512 703 61 10ms 20 Apr 2023 974th drochom 703 61 12ms 17 Jun 2024 974th tphLatte 703 61 10ms 3 Jul 2024 974th NanduBC 703 61 10ms 6 Sep 2024 974th Pyroan 703 61 10ms 13 May 2025 974th Tristanchaang 703 61 11ms 15 Nov 2025 984th voytxt 🇨🇿 703 134 1,206ms 2 Mar 2025 985th nullie 702 172 134ms 30 Dec 2024 986th MeWhenI 🇻🇦 701 158 39ms 29 Apr 2025 987th sisyphus-ppcg 🇦🇺 701 164 3ms 29 Jan 2022 988th rucin93 🇵🇱 701 190 378ms 2 days ago 989th snoozingnewt 🇨🇦 701 235 123ms 8 Feb 2026 990th DialFrost 🇸🇬 700 155 560ms 14 Nov 2025 991st MeWhenI 🇻🇦 699 73 7ms 9 May 2024 992nd sean-niemann 🇺🇸 697 191 11ms 2 days ago 993rd HumanoidCPU 696 53 454ms 27 May 2024 993rd Mabeloid 🇳🇴 696 53 455ms 21 Sep 2024 995th CedricGebistorf 691 62 11ms 6 Feb 2022 995th Indivicivet 691 62 11ms 9 May 2022 995th MaxElf999 691 62 11ms 24 May 2022 995th rowboat1 691 62 11ms 18 Jun 2022 995th jfallon1997 691 62 10ms 8 Aug 2022 995th NerdyMcNerd42 691 62 11ms 13 Aug 2022 First Prev 901–1,000 of 2,154 Next Last