Search: id:A014481
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%I A014481
%S A014481 1,6,40,336,3456,42240,599040,9676800,175472640,3530096640,78033715200,
%T A014481 1880240947200,49049763840000,1377317368627200,41421544567603200,
%U A014481 1328346084409344000,45249466617298944000,1631723190138961920000
%N A014481 2^n*n!*(2*n+1).
%C A014481 Denominators of expansion of int(exp(-(t^2)/2),t,0..x)= sqrt(Pi/2)*erf(x/
               sqrt(2)) in powers x^(2*n+1), n>=0. Numerators are (-1)^n. - W. Lang, 
               Jun 29 2007.
%H A014481 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               NormalDistributionFunction.html">Link to a section of The World of 
               Mathematics.</a>
%F A014481 Expansion of (1+2x)/(1-2x)^2.
%Y A014481 Contribution from Johannes W. Meijer (meijgia(AT)hotmail.com), Nov 12 
               2009: (Start)
%Y A014481 Appears in A167572.
%Y A014481 Equals row sums of A167583.
%Y A014481 (End)
%Y A014481 Sequence in context: A138240 A083805 A006387 this_sequence A000683 A143342 
               A084270
%Y A014481 Adjacent sequences: A014478 A014479 A014480 this_sequence A014482 A014483 
               A014484
%K A014481 nonn
%O A014481 0,2
%A A014481 N. J. A. Sloane (njas(AT)research.att.com).

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