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Search: id:A003727
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| A003727 |
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Expansion of exp(x.(cosh(x)).
(Formerly M3462)
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+0
1
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| 1, 1, 1, 4, 13, 36, 181, 848, 3865, 23824, 140521, 871872, 6324517, 44942912, 344747677, 2860930816, 23853473329, 213856723200, 1996865965009, 19099352929280, 193406280000061, 2010469524579328, 21615227339380357, 242177953175506944
(list; graph; listen)
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OFFSET
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0,4
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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MATHEMATICA
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Exp[ x*Cosh[ x ] ]
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CROSSREFS
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Sequence in context: A031506 A065297 A067635 this_sequence A103082 A048474 A054761
Adjacent sequences: A003724 A003725 A003726 this_sequence A003728 A003729 A003730
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KEYWORD
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nonn
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AUTHOR
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R. H. Hardin (rhhardin(AT)att.net)
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EXTENSIONS
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Extended and formatted Mar 15 1997 by Olivier Gerard
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