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Search: id:A067994
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| 1, 0, -2, 0, 12, 0, -120, 0, 1680, 0, -30240, 0, 665280, 0, -17297280, 0, 518918400, 0, -17643225600, 0, 670442572800, 0, -28158588057600, 0, 1295295050649600, 0, -64764752532480000, 0, 3497296636753920000, 0, -202843204931727360000, 0
(list; graph; listen)
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OFFSET
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0,3
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LINKS
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Eric Weisstein's World of Mathematics, Hermite Numbers
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FORMULA
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E.g.f.: exp(-x^2). - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 24 2002
a(n) = (-1)^(n/2) n!/(n/2)!, if [2|n], 0 otherwise. - Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu), Feb 01 2006
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MATHEMATICA
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HermiteH[n, 0]
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CROSSREFS
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Cf. A001813.
Adjacent sequences: A067991 A067992 A067993 this_sequence A067995 A067996 A067997
Sequence in context: A053814 A095238 A156431 this_sequence A143246 A104014 A002929
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KEYWORD
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sign
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AUTHOR
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Eric Weisstein (eric(AT)weisstein.com), Feb 07, 2002
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