[seqfan] Re: About A000108

Emeric Deutsch deutsch at poly.edu
Fri Nov 23 21:30:49 CET 2012

> It seems that your formula is obtained at once from the
well-known formula (definition)
by canceling the product (n+1)n(n-1)...3.2.
Emeric Deutsch 

> Does anyone known the formula I am proposing to include
> there about Catalan-Segner numbers?, It catches my
> attention  when after being found some terms of such
> sequence with the proposed formula, I realized it doesn't
> appears to be already documented in the database entry.
> With regards,
> Remy.
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