A243792 - OEIS

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A243792

Number of simple connected graphs with n nodes that are integral and have no subgraph isomorphic to the open-bowtie graph.

0

1, 1, 1, 2, 1, 4, 1, 3, 0, 15

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

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

CROSSREFS

Cf. A242791 (open-bowtie free graphs), A064731 (integral graphs).

Sequence in context: A077904 A088964 A326721 * A124331 A242885 A181157

Adjacent sequences: A243789 A243790 A243791 * A243793 A243794 A243795

KEYWORD

nonn,more

AUTHOR

Travis Hoppe and Anna Petrone, Jun 16 2014

STATUS

approved