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A141081
Number of (6,2)-noncrossing partitions of [n].
1
1, 1, 2, 5, 15, 52, 203, 877, 4139, 21111, 115219, 666388, 4045991
OFFSET
0,3
LINKS
Toufik Mansour and Simone Severini, Enumeration of (k,2)-noncrossing partitions, Discrete Math., 308 (2008), 4570-4577.
CROSSREFS
A row of A125311.
Sequence in context: A287256 A287668 A099262 * A108305 A229224 A343668
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 04 2008
STATUS
approved