a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 3.A145503a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 3.Terms a(0) =3a(1) =13a(2) =193a(3) =37633a(4) =1416317953External referencesoeis: A145503