Number of non-isomorphic n X n symmetric binary matrices with an equal number of ones in every row and column up to permutation of rows and columns.

A333160

Number of non-isomorphic n X n symmetric binary matrices with an equal number of ones in every row and column up to permutation of rows and columns.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =17a(7) =36a(8) =146a(9) =1066a(10) =15419a(11) =406684a(12) =19284912a(13) =1635874946a(14) =249424764407

External references