a(n) = -10*a(n-1) - 5*a(n-2) with a(0) = 1, a(1) = -11.

A099839

a(n) = -10*a(n-1) - 5*a(n-2) with a(0) = 1, a(1) = -11.

Terms

    a(0) =1a(1) =-11a(2) =105a(3) =-995a(4) =9425a(5) =-89275a(6) =845625a(7) =-8009875a(8) =75870625a(9) =-718656875a(10) =6807215625a(11) =-64478871875a(12) =610752640625

External references