Row sums of A197208.

Terms

a(0) =3a(1) =24a(2) =180a(3) =1320a(4) =9660a(5) =70896a(6) =522648a(7) =3871440a(8) =28809990a(9) =215318400a(10) =1615579680a(11) =12165491520a(12) =91905439080a(13) =696359055840