732740

Appears in sequences

• n^(n-2)+(n*(n-1)/2)*(n-1)^(n-3).at n=7A076863
• Number of maximal independent generating sets for S_n.at n=7A078103
• Number of (n+2)X(n+2) 0..1 arrays with every 2X2 and 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically.at n=10A253502