Number of n X n 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0), (-1,1), (0,-1), (0,1) or (1,0), with upper left element zero.

A278087

Number of n X n 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0), (-1,1), (0,-1), (0,1) or (1,0), with upper left element zero.