1285956000

Appears in sequences

• Triangle of coefficients of polynomials equal permanent of the n X n matrix [1,2,...,n; n*x+1, n*x+2, ..., n*x+n; ...; (n-1)*n*x+1, (n-1)*n*x+2, ...,(n-1)*n*x+n].at n=17A232818
• Number of endofunctions on [2n] such that the image size equals n.at n=5A288312