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

A092165

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

Terms

    a(0) =2a(1) =10a(2) =62a(3) =370a(4) =2222a(5) =13330a(6) =79982a(7) =479890a(8) =2879342a(9) =17276050a(10) =103656302a(11) =621937810a(12) =3731626862a(13) =22389761170a(14) =134338567022a(15) =806031402130

External references