a(n+1) = 9*a(n) - 6, a(0) = 2.

Terms

a(0) =2a(1) =12a(2) =102a(3) =912a(4) =8202a(5) =73812a(6) =664302a(7) =5978712a(8) =53808402a(9) =484275612a(10) =4358480502a(11) =39226324512a(12) =353036920602