[seqfan] Re: A135342

Neil Sloane njasloane at gmail.com
Tue Feb 21 19:02:09 CET 2023

There are three formulas given there, which all look essentially equivalent.

The first two seem to have been part of the original submission.  You might
ask the author - if you click his name, you get his User Page, where there
is an "Email this user" button.
Here is a page from the internet:  https://homepages.gac.edu/~jsiehler/

Best regards

Neil J. A. Sloane, Chairman, OEIS Foundation.
Also Visiting Scientist, Math. Dept., Rutgers University,
Email: njasloane at gmail.com

On Tue, Feb 21, 2023 at 12:35 PM Victor Miller <victorsmiller at gmail.com>

> In the entry for sequence A135342 the following recurrence is given:
> a(n) = 2*a(n-1) - a(n-2) + phi(n-1) for n>3.
> It would be nice if there is a link (or description) of the derivation
> of this recurrence.
> --
> Seqfan Mailing list - http://list.seqfan.eu/

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