Search: id:A067994
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%I A067994
%S A067994 1,0,2,0,12,0,120,0,1680,0,30240,0,665280,0,17297280,0,518918400,0,
%T A067994 17643225600,0,670442572800,0,28158588057600,0,1295295050649600,0,
%U A067994 64764752532480000,0,3497296636753920000,0,202843204931727360000,0
%V A067994 1,0,-2,0,12,0,-120,0,1680,0,-30240,0,665280,0,-17297280,0,518918400,0,
               -17643225600,0,
%W A067994 670442572800,0,-28158588057600,0,1295295050649600,0,-64764752532480000,
               0,
%X A067994 3497296636753920000,0,-202843204931727360000,0
%N A067994 Hermite numbers.
%H A067994 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               HermiteNumber.html">Hermite Numbers</a>
%F A067994 E.g.f.: exp(-x^2). - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 24 2002
%F A067994 a(n) = (-1)^(n/2) n!/(n/2)!, if [2|n], 0 otherwise. - Mitch Harris (Harris.Mitchell(AT)mgh.harvard.edu), 
               Feb 01 2006
%t A067994 HermiteH[n, 0]
%Y A067994 Cf. A001813.
%Y A067994 Sequence in context: A095238 A167345 A156431 this_sequence A143246 A104014 
               A002929
%Y A067994 Adjacent sequences: A067991 A067992 A067993 this_sequence A067995 A067996 
               A067997
%K A067994 sign
%O A067994 0,3
%A A067994 Eric Weisstein (eric(AT)weisstein.com), Feb 07, 2002

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