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%I #8 Apr 07 2017 11:37:40
%S 1,6,16,66,311,1688,10125
%N Number of ancestor secondary classes with respect to splittings S_{1,1},
%C It would be nice to have a clearer definition.
%H Richard Kapolnai, Gabor Domokos, and Timea Szabo, <a href="http://arxiv.org/abs/1206.1698">Generating spherical multiquadrangulations by restricted vertex splittings and the reducibility of equilibrium classes</a>, Periodica Polytechnica Electrical Engineering, 56(1):11-10, 2012. Also arXiv:1206.1698, 2012. See Table 3.
%K nonn,more
%O 4,2
%A _N. J. A. Sloane_, Nov 07 2016