Binomial transform of A033312.

Terms

a(0) =0a(1) =0a(2) =1a(3) =8a(4) =49a(5) =294a(6) =1893a(7) =13572a(8) =109345a(9) =985898a(10) =9863077a(11) =108503064a(12) =1302057249a(13) =16926789294a(14) =236975148421