Rubo Cubo

How many unit cubes are visible on a \(7\times 7\times 7\) cube?

For example,

  • the \(2\times 2\times 2\) cube has 8 visible unit cubes;
  • the \(3\times 3\times 3\) cube has 26 visible unit cubes;
  • the \(4\times 4\times 4\) cube has 56 visible unit cubes;
×

Problem Loading...

Note Loading...

Set Loading...