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.

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.

Terms

    a(0) =0a(1) =0a(2) =3a(3) =285a(4) =50820a(5) =23551920a(6) =31898503077

External references