[seqfan] Re: A007286 and A007289 have exactly the same name.

Neil Sloane njasloane at gmail.com
Sun Apr 28 20:59:38 CEST 2013


Peter, that's excellent - can you please add that to the Formula
sections of the two sequences?

On Sun, Apr 28, 2013 at 2:43 PM, Peter Luschny <peter.luschny at gmail.com> wrote:
> NJAS> I agree that A007286 and A007289 had the same definition line. I
> have fixed the problem.
>
> This 'problem' has a nice solution.
>
> aperm3(n)  = 2*((1-I)/(1+I))^n*(1+add(binomial(n,j)*polylog(-j,I)*3^j
> for j in (0..n)))
> A007286(n) = Re(aperm3(n))
> A007289(n) = Im(aperm3(n))
>
> Peter
>
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>
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Dear Friends, I have now retired from AT&T. New coordinates:

Neil J. A. Sloane, President, OEIS Foundation
11 South Adelaide Avenue, Highland Park, NJ 08904, USA
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