Respuesta :
					                   Fairly certain it is a geometric sequence: this follows 2^n+1, n being the place in the sequence.
So, the first value, 4, is 2^(1+1). 8 is 2^(2+1), etc, etc.
					                
					             So, the first value, 4, is 2^(1+1). 8 is 2^(2+1), etc, etc.
 
			                   
					                  