343640

Appears in sequences

• Number of (n+2) X (3+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=23A254902
• G.f.: Sum_{n>=0} (1 + (1+x)^(n+1))^n * x^n.at n=9A326276