A241769 Number of simple connected graphs with n nodes and exactly 3 articulation points (cutpoints).

0, 0, 0, 0, 1, 5, 32, 242, 2461, 35839

Offset

1,6

Links

Table of n, a(n) for n=1..10.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

T. Hoppe and A. Petrone, Integer sequence discovery from small graphs, arXiv preprint arXiv:1408.3644, 2014

Eric Weisstein's World of Mathematics, Articulation Vertex

Crossrefs

Column k=3 of A325111.

Cf. other simple connected graph sequences with k articulation points A002218, A241767, A241768, A241769, A241770, A241771.

Sequence in context: A365181 A367281 A127089 * A208046 A198598 A369785

Adjacent sequences: A241766 A241767 A241768 * A241770 A241771 A241772

Keyword

nonn

Author

Travis Hoppe and Anna Petrone, Apr 28 2014

Status

approved