45252domain: NAppears in sequencesp-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - 6 S + S^2.at n=5A291246Number of nX3 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 8 king-move adjacent elements, with upper left element zero.at n=11A298149