A089673 a(n) = number of n X n (0,1) matrices A such that the 2n+2 vectors consisting of the rows and the columns of the matrix A, as well as the main diagonal and the main antidiagonal, are all distinct.

0, 0, 0, 652, 1658784, 10726929248, 172790068546048

Offset: 1

Author

Vladeta Jovovic, Jan 04 2004

Keywords

• nonn
• more

Crossrefs

Cf. A088310, A088616, A089674.

Binary matrices with distinct rows and columns, various versions: A059202, A088309, A088310, A088616, A089673, A089674, A093466, A094000, A094223, A116532, A116539, A181230, A259763

Extensions

a(6)-a(7) from Bert Dobbelaere, May 05 2025