28143753126domain: NAppears in sequencesa(n) = Lucas(4*n+2) + 3, or Lucas(2*n)*Lucas(2*n+2).at n=12A081077a(n) = L(n)^2 - 5*(-1)^n = L(n+1)*L(n-1), where L = A000032.at n=25A292696