Write the first five terms of the sequence defined by the recursive formula an = 5an-1 -1, with a1=1

a1 = 1

a2 = 5(1) - 1 = 4
a3 = 5(4) - 1 = 19
a4 = 5(19) - 1 = 94
a5 = 5(94) - 1 = 469