a(n) = determinant of upper left n X n matrix A_n of matrix A088745, where A_n has elements 1..n^2 with abs(det(A_n)) = max by adding elements on the lower and right border.

A088746

a(n) = determinant of upper left n X n matrix A_n of matrix A088745, where A_n has elements 1..n^2 with abs(det(A_n)) = max by adding elements on the lower and right border.