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A243563
Number of simple connected graphs with n nodes that are non-integral and have no subgraph isomorphic to diamond graph.
0
0, 0, 1, 3, 10, 35, 162, 964, 7682, 86994
OFFSET
1,4
LINKS
CROSSREFS
Cf. A242790 (diamond-free graphs), A241842 (non-integral graphs).
Sequence in context: A149039 A151477 A184175 * A129483 A375337 A351011
KEYWORD
nonn,more
AUTHOR
Travis Hoppe and Anna Petrone, Jun 06 2014
STATUS
approved