a(n) = 11*a(n-1) + 6*a(n-2).

Terms

a(0) =0a(1) =1a(2) =11a(3) =127a(4) =1463a(5) =16855a(6) =194183a(7) =2237143a(8) =25773671a(9) =296933239a(10) =3420907655a(11) =39411583639a(12) =454052865959