Respuesta :

Answer:

Step-by-step explanation:

I'd use the explicit formula. The recursive one is going to be too large.

L(13) = a*4^(n - 1)

L(13) = 3 * 4^(13 - 1)

L(13) = 3 * 4^(12)

L(13) = 3 * 16777216

L(13) = 50331648