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A241598 Number of connected bipartite non-crossing graphs on n nodes. 0
1, 1, 3, 13, 65, 355, 2051, 12329, 76317, 483191, 3114551, 20370173, 134844697, 901750067, 6082836811, 41340928785, 282808887861, 1945826116687, 13456445362911, 93483434517701 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
REFERENCES
Marc Noy, Email to N. J. A. Sloane, May 19 2014.
LINKS
Table of n, a(n) for n=1..20.
Michael Drmota, Anna de Mier, Marc Noy, Extremal statistics on non-crossing configurations, Discrete Math. 327 (2014), 103--117. MR3192420. See C_b on page 116.
CROSSREFS
Sequence in context: A186577 A141342 A232222 * A155867 A009102 A080227
Adjacent sequences: A241595 A241596 A241597 * A241599 A241600 A241601
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 19 2014
STATUS
approved

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Last modified May 18 05:02 EDT 2024. Contains 372618 sequences. (Running on oeis4.)