In the following questions numbered 1 to 20, a question is followed by data in the form of two statements labelled as (I) and (II) You must decide whether the data given in the statements are sufficient to answer the questions.

Question 4

A sequence of integers is given by $$a_{n} = (a_{n-l} + 1)^{2}$$ , then what is $$a_{5}$$?
(I) $$a_{3} = 25$$
(II) $$a_{1}$$ is an odd integer.

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