1367292

Appears in sequences

• Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=11A255753
• Number of regions in an equal-armed cross with arms of length n (see Comments for definition).at n=19A331456