Respuesta :
There are five of them in a 2x2 grid.
When you grow past 2x2, however, it starts to get interesting.
There are 14 squares in a 3x3 grid, and 30 of them in a 4x4 grid.
When you grow past 2x2, however, it starts to get interesting.
There are 14 squares in a 3x3 grid, and 30 of them in a 4x4 grid.