Number of real n X n symmetric (0,1) matrices with positive determinant.

A086900

Number of real n X n symmetric (0,1) matrices with positive determinant.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =338a(4) =14186a(5) =526876a(6) =52658844a(7) =28076946520

External references