273021

Appears in sequences

• Number of zero-sum -3..3 arrays of n elements with adjacent element differences also in -3..3.at n=8A202247
• Number of (n+1) X (5+1) 0..1 arrays with every 2 X 2 subblock diagonal minimum minus antidiagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal maximum nondecreasing vertically.at n=11A253228