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Search: id:A131815
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| A131815 |
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The 2n-th derivative of exp(1 - 1/(1 - x^2)) evaluated at 0. |
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+0
1
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| 1, -2, -12, -120, 1680, 574560, 100457280, 18871332480, 4068839174400, 997177467686400, 265676948766028800, 68775633656816486400, 9975596960728285286400, -9408345873371957191680000, -16902988368910895971399680000
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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exp( -1/(1 - x^2)) is the standard "mollifier" function.
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MATHEMATICA
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Series[Exp[1 -1/(1 - x^2)], {x, 0, 20}]
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CROSSREFS
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Sequence in context: A108135 A001813 A097388 this_sequence A047793 A048800 A052738
Adjacent sequences: A131812 A131813 A131814 this_sequence A131816 A131817 A131818
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KEYWORD
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sign
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AUTHOR
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Adam Larios (alarios(AT)math.uci.edu), Oct 23 2007
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EXTENSIONS
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Edited and extended by Olivier Gerard (olivier.gerard(AT)gmail.com), Oct 30 2007.
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