[seqfan] Re: Simplified name of A056856?
Michel Marcus
michel.marcus183 at gmail.com
Fri Mar 31 09:55:37 CEST 2023
Then why not add this formula.
Le jeu. 30 mars 2023 à 20:58, Marc LeBrun <mlb at well.com> a écrit :
> Richard, not quite sure what you're proposing/asking, but if that formula
> for T(n,k) is valid then I recommend that the name ought to be "Unsigned
> triangle of the Stirling Numbers of the first kind multiplied by perfect
> powers" (versus "|Stirling1(n,k)| * n^*(k-1)") or at least that text should
> be in the comment, to facilitate future string searches in the OEIS. Also
> "related to rooted trees and unrooted planar trees" should appear in the
> comments for the same reason.
>
> > On Mar 30, 2023, at 8:47 AM, Richard J. Mathar <mathar at mpia-hd.mpg.de>
> wrote:
> >
> > Can the triangle in A056856 just be defined as
> > T(n,k) = |Stirling1(n,k)| * n^*(k-1) ,
> > the unsigned triangle of the Stirling Numbers of the
> > first kind multiplied by perfect powers?
> >
> > This would read
> > T(n,k) = A130534(n,k)* n^*(k-1)
> > and also imply
> > A355007(n,k) = A056856(n,k)* n
> >
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>
>
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