Number of symmetric n X n (0,1)-matrices with pairwise distinct rows and columns.

A259763

Number of symmetric n X n (0,1)-matrices with pairwise distinct rows and columns.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =44a(4) =716a(5) =24416a(6) =1680224a(7) =229468288a(8) =61820527104

External references