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Number of connected graphs on n unlabeled nodes with exactly two peripheral nodes.
1

%I #9 Sep 03 2019 15:11:24

%S 0,1,1,2,5,25,185,2459,58156,2617378

%N Number of connected graphs on n unlabeled nodes with exactly two peripheral nodes.

%C These are the graphs that only have two nodes whose distance from each other is equal to the diameter. An example of such a graph is the path graph.

%Y Column 2 of A324244.

%K nonn,more

%O 1,4

%A _Andrew Howroyd_, Sep 02 2019