The Taxicab Numbers hole will go live in approximately 3 days. Why not try and solve it ahead of time?
Van Eck Sequence 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 501st lynn 802 83 1,638ms 13 Sep 2021 502nd Just4FunCoder 801 64 21ms 23 Mar 2023 502nd AlephSquirrel 801 64 38ms 18 Apr 2023 502nd msbranicky 801 64 11ms 25 Jul 2023 502nd Alex-x90 🇺🇸 801 64 21ms 6 Nov 2023 502nd Pyroan 801 64 23ms 13 Mar 2025 502nd BREMAUCY 🇫🇷 801 64 12ms 26 Jul 2025 502nd wobblybits 801 64 19ms 21 Aug 2025 502nd vhoulbreque 🇫🇷 801 64 15ms 3 Dec 2025 510th Waffle3z 800 46 38ms 1 May 2021 510th Shanethegamer 🇺🇸 800 46 39ms 15 Dec 2022 512th Argeento 🇵🇱 799 46 136ms 3 Aug 2024 513th clockworknazo 799 74 4ms 22 Nov 2022 514th sisyphus-ppcg 🇦🇺 795 39 3ms 20 Jan 2023 515th DialFrost 🇸🇬 795 91 474ms 16 Nov 2025 516th MeWhenI 🇻🇦 795 119 346ms 9 Feb 2023 517th Shanethegamer 🇺🇸 794 50 1,352ms 15 Dec 2022 518th error256 793 70 80ms 11 days ago 519th janbehrens 🇩🇪 793 74 2ms 1 May 2021 519th luuumine 🇫🇷 793 74 2ms 7 Nov 2025 521st GrayJoKing 🇦🇺 790 101 27ms 28 Jun 2023 522nd edsrzf 🇳🇿 789 56 741ms 4 Sep 2025 522nd albanian-laundromat 🇺🇸 789 56 797ms 4 Nov 2025 524th Fishron 789 65 64ms 19 Oct 2021 524th hellwue 789 65 11ms 2 Mar 2022 524th suwat513 789 65 12ms 18 Jun 2023 524th 2011-Chan-Ethan 789 65 61ms 9 Jul 2023 524th mikehanus 789 65 40ms 5 Dec 2023 524th mathisfun271 789 65 13ms 12 Feb 2024 524th InigoK 🇺🇸 789 65 57ms 26 Aug 2025 531st KatieLG 🇬🇧 789 78 96ms 14 Jan 2023 532nd Shanethegamer 🇺🇸 788 52 13ms 24 May 2021 532nd helbling 🇨🇭 788 52 11ms 27 May 2024 532nd DialFrost 🇸🇬 788 52 10ms 16 Nov 2025 535th GolfingSuccess 🇬🇷 788 183 1,200ms 6 Dec 2025 536th edsrzf 🇳🇿 787 93 99ms 11 days ago 537th tailorspy 787 100 57ms 29 Oct 2023 538th JayXon 🇺🇸 786 54 294ms 20 Jun 2021 539th MeWhenI 🇻🇦 786 92 468ms 16 Mar 2022 540th SirBogman 🇺🇸 783 47 42ms 26 Nov 2021 541st emgordon154 783 83 2,440ms 14 Jul 2025 542nd GolfingSuccess 🇬🇷 782 75 2ms 1 May 2021 542nd MeWhenI 🇻🇦 782 75 2ms 15 Mar 2022 544th MeWhenI 🇻🇦 782 85 10ms 20 Jul 2023 545th sean-niemann 🇺🇸 782 121 333ms 8 Jun 2025 546th janbehrens 🇩🇪 781 93 425ms 21 Nov 2021 547th Alessandro-Balconi 🇮🇹 780 57 97ms 9 Jul 2023 548th Shanethegamer 🇺🇸 780 73 19ms 10 Sep 2022 549th HumanoidCPU 777 62 475ms 25 May 2024 550th Waffle3z 777 66 12ms 1 May 2021 550th NewDefectus 🇮🇱 777 66 12ms 3 May 2021 550th betaveros 777 66 49ms 1 Jan 2023 550th elgan65536 🇺🇸 777 66 71ms 31 Mar 2024 550th stertooy 🇧🇪 777 66 26ms 18 Jun 2024 550th Bmrl7 777 66 19ms 31 Aug 2025 556th Shanethegamer 🇺🇸 776 122 307ms 7 Feb 2024 556th CaedenHarper 🇨🇦 776 122 337ms 4 Dec 2025 558th Yewzir 🇧🇪 775 176 1,615ms 7 days ago 559th coreynash 774 53 11ms 14 Mar 2024 560th edsrzf 🇳🇿 774 84 108ms 13 days ago 561st h3ra993huskp 🇯🇵 774 99 514ms 30 Nov 2025 562nd madex 🇩🇪 772 76 2ms 16 days ago 563rd Shanethegamer 🇺🇸 771 60 66ms 5 Dec 2024 564th xnor-gate 770 70 140ms 11 Oct 2022 564th TrueBoxGuy 770 70 1,322ms 24 Jul 2023 566th inventshah 770 74 20ms 11 Sep 2022 567th janbehrens 🇩🇪 769 94 456ms 24 Mar 2022 568th madex 🇩🇪 767 48 45ms 21 days ago 569th MeWhenI 🇻🇦 767 188 1,205ms 28 Mar 2025 570th adgh 🇬🇧 766 58 108ms 8 Jan 2025 571st UnderKoen 🇳🇱 766 107 25ms 5 Dec 2024 572nd jakobkordez 🇸🇮 765 67 22ms 19 Oct 2022 572nd Artemis21 🇬🇧 765 67 28ms 21 Jan 2025 572nd shelerr 765 67 43ms 22 Aug 2025 572nd Aquateraneal 🇺🇸 765 67 20ms 8 Mar 2026 572nd zgialor-lab 765 67 11ms 11 days ago 577th stefangimmillaro 765 85 2,245ms 28 Oct 2024 578th primo-ppcg 🇹🇭 765 87 1,474ms 30 Nov 2021 579th SirBogman 🇺🇸 764 80 39ms 8 Dec 2021 580th f-tucker 762 77 2ms 8 Jan 2024 581st CaedenHarper 🇨🇦 759 54 11ms 23 Aug 2025 582nd DialFrost 🇸🇬 758 51 2ms 15 Dec 2025 583rd ovs-code 🇩🇪 758 61 72ms 23 Sep 2023 584th janbehrens 🇩🇪 757 48 6ms 7 Jun 2021 585th Shanethegamer 🇺🇸 756 86 121ms 7 Nov 2025 586th MeWhenI 🇻🇦 755 81 38ms 31 Dec 2023 587th knutae 🇳🇴 754 68 22ms 16 Jul 2021 587th rowboat1 754 68 45ms 24 Jun 2022 587th FortuiteMan 🇫🇷 754 68 50ms 20 Aug 2023 587th Glinte 754 68 11ms 14 Dec 2023 587th logvp 754 68 46ms 10 Jan 2024 587th Bulmenisaurus 754 68 44ms 23 Oct 2024 587th dokutan 754 68 17ms 12 Feb 2025 594th snoozingnewt 🇨🇦 753 59 112ms 9 Feb 2026 595th SirBogman 🇺🇸 753 64 432ms 16 Jan 2024 595th AlephSquirrel 753 64 416ms 16 Jan 2024 595th msbranicky 753 64 501ms 16 Jan 2024 598th MeWhenI 🇻🇦 752 28 4ms 14 Feb 2025 599th jared-hughes 751 49 43ms 11 Sep 2022 599th anter69 🇭🇺 751 49 39ms 16 Mar 2026 First Prev 501–600 of 1,972 Next Last