# What is the next number in the sequence ___, ____, 16,256, 65,536?

##### 1 Answer

Jul 31, 2015

The first two numbers in the sequence are

The elements of this sequence are

#### Explanation:

More interesting than

All such numbers were conjectured to be prime by Pierre de Fermat.

Unfortunately, no Fermat number beyond

For example,

It is (in theory) possible to construct a regular