125066

Appears in sequences

• Number of ways to delete an edge (up to the outcome) in the simple unlabeled graphs on n nodes.at n=7A245246
• Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=9A259001