Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. (Assume n begins with 1.) 8 16 {-9,6, 4, 7 3 9 Find a formula for the general term an of the sequence, assuming that the pattern of the first few terms continues. (Assume n begins with 1.) {1, 5, 9, 13, 17, ...} an =