Total number of nodes in all simple graphs of n nodes.

A055542

Total number of nodes in all simple graphs of n nodes.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =44a(4) =170a(5) =936a(6) =7308a(7) =98768a(8) =2472012a(9) =120051680a(10) =11208976504

External references