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A243786 Number of graphs with n nodes that are chordal and integral. 1
1, 1, 1, 1, 3, 2, 5, 9, 2, 14 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

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

FORMULA

a(n) = A048192(n) - A243785(n)

CROSSREFS

Cf. A048192 (chordal graphs), A064731 (integral graphs).

Sequence in context: A029619 A049922 A160106 * A278743 A081974 A257883

Adjacent sequences:  A243783 A243784 A243785 * A243787 A243788 A243789

KEYWORD

nonn,more

AUTHOR

Travis Hoppe and Anna Petrone, Jun 27 2014

STATUS

approved

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Last modified August 7 17:44 EDT 2020. Contains 336278 sequences. (Running on oeis4.)