4643086490

Appears in sequences

• Number of (n+1) X (n+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.at n=6A253399
• Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock diagonal maximum plus antidiagonal minimum unequal to its neighbors horizontally, vertically and ne+sw antidiagonally.at n=6A253406