%I #8 Aug 22 2018 15:53:22
%S 0,1,2,7,20,66,218,725
%N G_n(1).
%C Needs a better definition, but the source is readily available on the arXiv. - _N. J. A. Sloane_, Aug 22 2018
%H Shishuo Fu, Dazhao Tang, Bin Han, Jiang Zeng, <a href="https://arxiv.org/abs/1805.08945">Gamma expansions of q-Narayana polynomials, pattern avoidance and the (-1)-phenomenon</a>, arXiv:1805.08945 [math.CO], 2018. See p. 27.
%Y Cf. A318233.
%K nonn,more
%O 1,3
%A _Michael De Vlieger_, Aug 21 2018