192511

Appears in sequences

• From the game of Quod: number of "squares" on an n X n array of points with the four corner points deleted.at n=37A124479
• Number of intersection points of all lines through pairs of vertices of a regular n-gon.at n=34A146212
• 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=16A254902
• a(n) = (2*n+1)*(n^3-2*n^2+n+1).at n=18A347319