If a sequence is defined by: \(a_n=(a_{n-1})^2+1\) and \(a_2=2,\) what is \(a_4?\)

[VJesus12]

If a sequence is defined by: \(a_n=(a_{n-1})^2+1\) and \(a_2=2,\) what is \(a_4?\)

(A) 4

(B) 5

(C) 17

(D) 26

(E) 677

Answer: D

Source: Veritas Prep