Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

A279525

Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =4a(1) =384a(2) =23610a(3) =1280440a(4) =66239560a(5) =3300066400a(6) =160408991208

External references