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

A092167

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

Terms

    a(0) =4a(1) =26a(2) =154a(3) =926a(4) =5554a(5) =33326a(6) =199954a(7) =1199726a(8) =7198354a(9) =43190126a(10) =259140754a(11) =1554844526a(12) =9329067154a(13) =55974402926a(14) =335846417554

External references