Number of n X n binary matrices with no 0 rows or columns and with n+1 1's.

A055602

Number of n X n binary matrices with no 0 rows or columns and with n+1 1's.

Terms

    a(0) =0a(1) =4a(2) =45a(3) =432a(4) =4200a(5) =43200a(6) =476280a(7) =5644800a(8) =71850240a(9) =979776000a(10) =14270256000a(11) =221298739200

External references