[seqfan] Power Product Expansions
Henry Gould
gould at math.wvu.edu
Mon Nov 10 01:28:49 CET 2008
Zak, are your familiar with the paper "Power Product Expansions", by H.
Gingold, H. W. Gould and M. E. Mays, which appeared in Utilitas
Mathematics, 34(1988),143-161?
If not, then your result below sheds some light om what we called Power
Product Expansions (PPE for short). We studied the general expansion
prod((1+f(i)x^i), i=1,2,...) = sum(1+g(k)x^k, k=1,2,...)
and summarized the literature. Gingold has used the PPE idea for various
purposes since 1988. I think you should look at our paper.
Henry Gould
- - - - - - -
zak seidov wrote:
Suprisingly,
prod((1+a(i)x^i), i=1,2,...) => sum(1+prime(n)x^k, k=1,2,...)
gives a(i) = 2, 3, -1, 9, -4, -16, 89,...
not in OEIS?! or i'm terribly missing smth, zak
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