Total number of nodes in all labeled graphs on n nodes.

A095340

Total number of nodes in all labeled graphs on n nodes.

Terms

    a(0) =1a(1) =4a(2) =24a(3) =256a(4) =5120a(5) =196608a(6) =14680064a(7) =2147483648a(8) =618475290624

External references