A223119 Number of n X n 0..2 arrays with no more than floor(n X n/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

1, 10, 1154, 1780641, 12483535858, 1092037282618789, 408653905036011361072, 1924878822883438537017070318, 37532720906358968019501781345379199