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A024276
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Expansion of sinh(tan(x)*sinh(x))/2.
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0
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0, 1, 6, 131, 6636, 478981, 46186866, 5850470471, 949119838296, 191928333160201, 47247581207762526, 13887944994837826571, 4798123437751335493956, 1923214499293440219360781
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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MATHEMATICA
| With[{nn=30}, Take[CoefficientList[Series[Sinh[(Tan[x]Sinh[x])]/2, {x, 0, nn}], x]Range[0, nn]!, {1, -1, 2}]] (* From Harvey P. Dale, Jan 22 2012 *)
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CROSSREFS
| A009610.
Sequence in context: A188718 A077031 A137038 * A137037 A101131 A174250
Adjacent sequences: A024273 A024274 A024275 * A024277 A024278 A024279
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KEYWORD
| nonn
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AUTHOR
| R. H. Hardin (rhhardin(AT)att.net)
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EXTENSIONS
| Extended and signs tested 03/97.
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