b-files for power series expansions

[zak seidov]

Coefficients of the series
1, 1, 4, 13/3, 44/3, 242/15, 2408/45, 18581/315
differ from A000810 entries (?!),
Zak

A000810
1,1,8,26,352,1936,38528,297296,7869952,78098176
%N A000810 Expansion of (sin x + cos x)/cos 3x.


--- David Wilson <davidwwilson at comcast.net> wrote:

> There is a seqload of OEIS sequences that are
> expansions of real functions, which I guess means
> power series coefficients. An example is A000810. 
> Would Mma or some other math power tool be able to
> quickly generate b-files for these monsters?



 
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