a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 2.A145502a(n+1) = a(n)^2 + 2*a(n) - 2 and a(1) = 2.Terms a(0) =2a(1) =6a(2) =46a(3) =2206a(4) =4870846External referencesoeis: A145502