Number of 6 X n 0..1 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Terms

a(0) =64a(1) =377a(2) =848a(3) =1422a(4) =2149a(5) =3107a(6) =4395a(7) =6124a(8) =8439a(9) =11527a(10) =15626a(11) =21035a(12) =28125a(13) =37351a(14) =49265a(15) =64530a(16) =83935a(17) =108411a(18) =139048a(19) =177113a(20) =224069a(21) =281595a(22) =351607a(23) =436280a(24) =538071a(25) =659743a(26) =804390a(27) =975463a(28) =1176797a(29) =1412639