Row sums of A059032.

Terms

a(0) =1a(1) =1a(2) =5a(3) =31a(4) =219a(5) =1824a(6) =17399a(7) =187515a(8) =2253719a(9) =29901003a(10) =434160685a(11) =6849337806a(12) =116676871558