Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.

A222289

Number of nX7 0..1 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.

Terms

    a(0) =5a(1) =144a(2) =1427a(3) =40321a(4) =564838a(5) =17801910a(6) =262048125a(7) =8550246097a(8) =129184703815

External references