27720000

Appears in sequences

• Number of 5-turn rook's tours on an n X n board summed over all starting positions.at n=11A187192
• Irregular triangle read by rows: T(n,k) = S1(n,k)*2^k, where S1(n,k) is the associated Stirling number of the first kind (cf. A008306) (n >= 0, 0 <= k <= floor(n/2)).at n=47A349479