[seqfan] Re: 2,5,8,11,23, then what?

[jean-paul allouche]

Dear all

It might be worth adding that this sequence appears
in the published paper:
http://www.emis.de/journals/INTEGERS/papers/m1/m1.pdf

best
jp

Le 15/11/15 17:44, Neil Sloane a écrit :
> Dear Seqfans,
> In this paper on page 31 there is a sequence 2 5 8 11 23 ... which needs
> more terms:
>
> Vladimir Shevelev, On the Basis Polynomials in the Theory of Permutations
> with Prescribed Up-Down Structure, arXiv|math.CO/0801.0072.
>
> It appears that this is not yet in the OEIS. Maybe someone could extend it?
>
> There is also an irregular triangle of coefficients in the Appendix, which
> (correcting an obvious error) I have made into https://oeis.org/A263848.
> This needs checking and could use more terms.
>
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