Number of ways to linearly order the components of a simple labeled graph on n nodes so that the label 1 is in the first component.

A335378

Number of ways to linearly order the components of a simple labeled graph on n nodes so that the label 1 is in the first component.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =9a(4) =75a(5) =1152a(6) =34682a(7) =2138198a(8) =269883034a(9) =68817253672

External references