A318232 G_n(1).

0, 1, 2, 7, 20, 66, 218, 725

Offset

1,3

Comments

Needs a better definition, but the source is readily available on the arXiv. - N. J. A. Sloane, Aug 22 2018

Links

Table of n, a(n) for n=1..8.

Shishuo Fu, Dazhao Tang, Bin Han, Jiang Zeng, Gamma expansions of q-Narayana polynomials, pattern avoidance and the (-1)-phenomenon, arXiv:1805.08945 [math.CO], 2018. See p. 27.

Crossrefs

Cf. A318233.

Sequence in context: A122877 A192680 A000150 * A304787 A115117 A029890

Adjacent sequences: A318229 A318230 A318231 * A318233 A318234 A318235

Keyword

nonn,more

Author

Michael De Vlieger, Aug 21 2018

Status

approved