a(n) is the number of unlabeled 2-connected graphs with n edges containing at least one pair of nodes with resistance distance 1 when all edges are replaced by unit resistors.
A360031
a(n) is the number of unlabeled 2-connected graphs with n edges containing at least one pair of nodes with resistance distance 1 when all edges are replaced by unit resistors.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =14a(7) =35a(8) =111a(9) =341a(10) =1130a(11) =3969a(12) =15002a(13) =58429a(14) =239045a(15) =1012241
External references
- oeis: A360031