Number of n X n real symmetric (0,1)-matrices with permanent = 1.

A119009

Number of n X n real symmetric (0,1)-matrices with permanent = 1.

Terms

    a(0) =1a(1) =4a(2) =22a(3) =286a(4) =5126a(5) =190096a(6) =9477868a(7) =923926396a(8) =118222774300

External references