Number of isomorphism classes of n-fold coverings of a connected graph with Betti number 5.

A160447

Number of isomorphism classes of n-fold coverings of a connected graph with Betti number 5.

Terms

    a(0) =1a(1) =1a(2) =32a(3) =1393a(4) =336465a(5) =207388305a(6) =268749463729

External references