a(n) = 10*a(n-1) - 23*a(n-2) for n > 1; a(0) = 1, a(1) = 9.

A163349

a(n) = 10*a(n-1) - 23*a(n-2) for n > 1; a(0) = 1, a(1) = 9.

Terms

    a(0) =1a(1) =9a(2) =67a(3) =463a(4) =3089a(5) =20241a(6) =131363a(7) =848087a(8) =5459521a(9) =35089209a(10) =225323107a(11) =1446179263a(12) =9279361169a(13) =59531488641a(14) =381889579523

External references