303568domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w*x>y*z+2.at n=28A212056Number of 2Xn 0..2 arrays with exactly floor(2Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.at n=12A222489