a(1)=5, a(2)=5, a(n)=5*a(n-1) + 5*a(n-2).

A189749

a(1)=5, a(2)=5, a(n)=5*a(n-1) + 5*a(n-2).

Terms

    a(0) =5a(1) =5a(2) =50a(3) =275a(4) =1625a(5) =9500a(6) =55625a(7) =325625a(8) =1906250a(9) =11159375a(10) =65328125a(11) =382437500a(12) =2238828125a(13) =13106328125a(14) =76725781250a(15) =449160546875

External references