Row sums of A111467.

Terms

a(0) =1a(1) =5a(2) =30a(3) =174a(4) =1102a(5) =8004a(6) =64908a(7) =631296a(8) =7632144a(9) =85538304a(10) =767957760a(11) =10378782720a(12) =141810600960