Number of labeled simple connected graphs covering n vertices with at least one bridge that is not an endpoint/leaf (non-spanning edge-connectivity 1).

A327079

Number of labeled simple connected graphs covering n vertices with at least one bridge that is not an endpoint/leaf (non-spanning edge-connectivity 1).

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =12a(5) =180a(6) =4200a(7) =157920a(8) =9673664a(9) =1011129840a(10) =190600639200

External references