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

A116527

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =75a(4) =22365a(5) =13303500a(6) =21058940420

External references