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%I #15 Sep 14 2015 09:49:28
%S 0,0,0,0,1,2,6,12,25,48,90
%N Dimension of a certain space of duality relations arising in study of q-analogs of multiple zeta values.
%H Jianqiang Zhao, <a href="http://arxiv.org/abs/1412.8044">Uniform Approach to Double Shuffle and Duality Relations of Various q-Analogs of Multiple Zeta Values via Rota-Baxter Algebras</a>, arXiv preprint arXiv:1412.8044 [math.NT], 2014. See Table 9, line 3.
%F It appears that a(n) = A000071(n) - A261666(n). - _Michel Marcus_, Sep 05 2015
%F Empirical g.f.: -x^6*(x^9 -x^2 -1) / ((x -1)*(x^2 +x -1)*(x^14 +x^13 +x^12 +x^11 +x^10 +x^9 +x^8 -x^5 -x^4 -x^3 -x^2 +1)). - _Colin Barker_, Sep 14 2015
%K nonn,more
%O 2,6
%A _N. J. A. Sloane_, Sep 02 2015