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A123443 Number of parity perfect graphs on n nodes. 1
1, 2, 4, 11, 31, 116, 466, 2207, 11258, 63098, 379448, 2496922, 18441849, 163588975 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
S. Hougardy, Home Page
S. Hougardy, Classes of perfect graphs, Discr. Math. 306 (2006), 2529-2571.
F. Hüffner, tinygraph, software for generating integer sequences based on graph properties, version 8c665c7.
FORMULA
Euler transform of A280763.
CROSSREFS
Sequence in context: A154603 A063254 A280766 * A123427 A123421 A123430
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 18 2006
EXTENSIONS
a(11)-a(14) added using tinygraph by Falk Hüffner, Jun 28 2018
STATUS
approved

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Last modified April 20 09:04 EDT 2024. Contains 371799 sequences. (Running on oeis4.)