a(n) = 10*a(n-1) - 17*a(n-2), a(0) = 1, a(1) = 5.

A084131

a(n) = 10*a(n-1) - 17*a(n-2), a(0) = 1, a(1) = 5.

Terms

    a(0) =1a(1) =5a(2) =33a(3) =245a(4) =1889a(5) =14725a(6) =115137a(7) =901045a(8) =7053121a(9) =55213445a(10) =432231393a(11) =3383685365a(12) =26488919969a(13) =207366548485

External references