a(0)=1, a(1)=9, a(n)= 19*a(n-1)-81*a(n-2) for n>1.

A165324

a(0)=1, a(1)=9, a(n)= 19*a(n-1)-81*a(n-2) for n>1.

Terms

    a(0) =1a(1) =9a(2) =90a(3) =981a(4) =11349a(5) =136170a(6) =1667961a(7) =20661489a(8) =257463450a(9) =3218224941a(10) =40291734429a(11) =504866733930

External references