a(n) = 12*a(n-1) + 11*a(n-2).

Terms

a(0) =0a(1) =1a(2) =12a(3) =155a(4) =1992a(5) =25609a(6) =329220a(7) =4232339a(8) =54409488a(9) =699469585a(10) =8992139388a(11) =115599838091