Find all 5 terms of this sequence

An+1=3an^2-1 with a1=2

a2 = 3(2)^2 - 1 = 11

a3 = 3(11)^2 - 1 = 364
a4 = 3(364)^2 - 1 = 397087
a5 = 3(397087)^2 - 1 = 471319040223