Exercise 6.
Consider the three sequences below. For each, find a recursive definition. How are these sequences related?
\(2, 4, 6, 10, 16, 26, 42, \ldots\text{.}\)
\(5, 6, 11, 17, 28, 45, 73, \ldots\text{.}\)
\(0, 0 , 0 , 0 , 0 , 0 , 0 ,\ldots\text{.}\)