Number of n X 6 0..2 arrays with exactly floor(n X 6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.

A222429

Number of n X 6 0..2 arrays with exactly floor(n X 6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.