Number of 6Xn 0..1 arrays with rows and antidiagonals unimodal.

Terms

a(0) =64a(1) =4096a(2) =83737a(3) =744272a(4) =4106403a(5) =17068664a(6) =58944337a(7) =178002044a(8) =484800960a(9) =1215412314a(10) =2845433373a(11) =6286999243a(12) =13216899344a(13) =26605753969a(14) =51547601046a(15) =96528061541a(16) =175319673499a(17) =309757515173a(18) =533729732564a(19) =898819275234