A116532 Number of singular n X n rational {0,1}-matrices with no zero rows or columns and with all rows distinct, up to permutation of rows.

0, 0, 3, 285, 50820, 23551920, 31898503077, 134251404794199

Offset: 1

Author

Vladeta Jovovic, Apr 03 2006

Keywords

• more
• nonn

Crossrefs

Cf. A000410, A116506, A116527.

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

Formula

a(n) = A054780(n) - A088389(n).