78903

Appears in sequences

• Number of (n+1) X (2+1) 0..1 arrays with every 2 X 2 subblock ne-sw antidiagonal difference nondecreasing horizontally and nw+se diagonal sum nondecreasing vertically.at n=11A258548
• a(1) = a(2) = 1, a(n) = A014777(a(n-1) + a(n-2)), n >= 3.at n=11A280532