80934417

Appears in sequences

• Number of nX4 0..3 arrays with exactly floor(nX4/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=6A222790
• Number of 7Xn 0..3 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.at n=3A222800