Number of n X 5 0..1 arrays with rows unimodal and columns nondecreasing.

Terms

a(0) =1a(1) =16a(2) =86a(3) =296a(4) =791a(5) =1792a(6) =3612a(7) =6672a(8) =11517a(9) =18832a(10) =29458a(11) =44408a(12) =64883a(13) =92288a(14) =128248a(15) =174624a(16) =233529a(17) =307344a(18) =398734a(19) =510664a(20) =646415a(21) =809600a(22) =1004180a(23) =1234480a(24) =1505205a(25) =1821456a(26) =2188746a(27) =2613016a(28) =3100651a(29) =3658496