A243562 - OEIS

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A243562

Number of simple connected graphs with n nodes that are Eulerian and have no subgraph isomorphic to diamond graph.

0

1, 0, 1, 1, 2, 3, 8, 21, 79, 334, 2190

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

OFFSET

1,5

LINKS

Table of n, a(n) for n=1..11.

Travis Hoppe and Anna Petrone, Encyclopedia of Finite Graphs

CROSSREFS

Cf. A242790 (diamond free graphs), A003049 (Eulerian graphs).

Sequence in context: A132730 A004790 A245464 * A238329 A272333 A098119

Adjacent sequences: A243559 A243560 A243561 * A243563 A243564 A243565

KEYWORD

nonn,more

AUTHOR

Travis Hoppe and Anna Petrone, Jun 06 2014

EXTENSIONS

a(11) from Max Alekseyev, Sep 12 2023

STATUS

approved