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A009227
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Expansion of exp(sinh(x))/exp(x).
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0
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1, 0, 0, 1, 0, 1, 10, 1, 56, 281, 246, 4621, 16412, 53197, 564642, 1937937, 13309648, 100397649, 454215214, 4082253589, 26498068420, 174791970677, 1575851086778, 10628056916313, 91523101970104, 788580099169337
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,7
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COMMENTS
| Number of partitions of n-set in which block sizes are odd and greater than 1. - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 23 2007
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MATHEMATICA
| Exp[ Sinh[ x ] ]/Exp[ x ]
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CROSSREFS
| Sequence in context: A050304 A143471 A009209 * A030526 A206819 A178865
Adjacent sequences: A009224 A009225 A009226 * A009228 A009229 A009230
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KEYWORD
| nonn,easy
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AUTHOR
| R. H. Hardin (rhhardin(AT)att.net)
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EXTENSIONS
| Extended and signs tested Mar 15 1997 by Olivier Gerard.
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