

A333270


Irregular triangle read by rows: coefficients of the sinflated Eulerian polynomial Q^(s)_n(x) where s is the sequence (1,2,3,...n).


2



1, 1, 2, 1, 1, 2, 4, 4, 4, 2, 1, 1, 2, 4, 8, 11, 14, 16, 14, 11, 8, 4, 2, 1
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OFFSET

1,3


REFERENCES

Pensyl, Thomas W., and Carla D. Savage. "Rational lecture hall polytopes and inflated Eulerian polynomials." The Ramanujan Journal 31.12 (2013): 97114.


LINKS

Table of n, a(n) for n=1..24.
Thomas W. Pensyl and Carla D. Savage, Rational lecture hall polytopes and inflated Eulerian polynomials, preprint 2011.


EXAMPLE

Triangle begins:
1;
1, 2, 1;
1, 2, 4, 4, 4, 2, 1;
1, 2, 4, 8, 11, 14, 16, 14, 11, 8, 4, 2, 1;
...


CROSSREFS

Cf. A333271, A333272.
Sequence in context: A253473 A026120 A108746 * A333272 A119558 A333450
Adjacent sequences: A333267 A333268 A333269 * A333271 A333272 A333273


KEYWORD

nonn,tabf,more


AUTHOR

N. J. A. Sloane, Mar 14 2020


STATUS

approved



