A002719

[Vladeta Jovovic]

A002719 is incorrect version  of  A020554

V.
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----- Original Message ----- 
From: "Emeric Deutsch" <deutsch at duke.poly.edu>
To: <seqfan at ext.jussieu.fr>
Sent: Friday, April 30, 2004 3:17 PM
Subject: A002719


> Dear seqfans,
> There are only seven terms listed:
> 1, 3, 16, 139, 1750, 29388, 623909,
> taken - I assume - from p. 147 of the cited Comtet paper.
> Same paper gives 
> G:=exp(-1+(exp(z)-1)/2)*sum(exp(s*(s-1)*z/2)/s!,s=0..infinity);
> as the exponential g.f. 
> Our computations (Maple and I) have given
> 1, 3, 16, 139, 1750, 29388, 624889, 16255738, 504717929, 
> i.e. a discrepancy in the 7th term.
> 
> Anybody interested in doublechecking?
> Thanks.
> Emeric Deutsch
> 
> 




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