81085

Appears in sequences

• Integer part of log(n)^(n - 1).at n=12A062415
• Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 1100-0111-0100 pattern in any orientation.at n=16A146465
• Number of -4..4 arrays x(i) of n+1 elements i=1..n+1 with x(i)+x(j), x(i+1)+x(j+1), -(x(i)+x(j+1)), and -(x(i+1)+x(j)) having one, two or three distinct values for every i<=n and j<=n.at n=8A211690