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A241599
Number of bipartite non-crossing graphs on n nodes.
0
1, 2, 7, 34, 196, 1246, 8429, 59518, 433636, 3235784, 24604262, 189954812, 1485057796, 11733092074, 93535510865, 751442793206, 6077654336252, 49447165408096, 404406321926378, 3322915327050652
OFFSET
1,2
REFERENCES
Marc Noy, Email to N. J. A. Sloane, May 19 2014.
LINKS
Michael Drmota, Anna de Mier, Marc Noy, Extremal statistics on non-crossing configurations, Discrete Math. 327 (2014), 103--117. MR3192420. See G_b on page 116.
CROSSREFS
Sequence in context: A190631 A326560 A199475 * A356118 A307696 A237645
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 19 2014
STATUS
approved