Let M = 2 X 2 matrix [ 1 2 / 5 4 ]; a(n) = (1,1) entry of M^n.

A092164

Let M = 2 X 2 matrix [ 1 2 / 5 4 ]; a(n) = (1,1) entry of M^n.

Terms

    a(0) =1a(1) =11a(2) =61a(3) =371a(4) =2221a(5) =13331a(6) =79981a(7) =479891a(8) =2879341a(9) =17276051a(10) =103656301a(11) =621937811a(12) =3731626861a(13) =22389761171a(14) =134338567021a(15) =806031402131

External references