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A141080 Number of (5,2)-noncrossing partitions of n. 1
1, 1, 2, 5, 15, 52, 203, 876, 4112, 20679, 109853, 608996, 3488806 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

REFERENCES

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: A158829 A110038 A056273 * A192855 A148092 A099262

Adjacent sequences:  A141077 A141078 A141079 * A141081 A141082 A141083

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Sep 04 2008

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.