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%I #6 Nov 02 2015 17:09:58
%S 1,150,16800,1809360,206725050,26484163020,3942600552660,
%T 694822388340960,145100505844928205,35439528882292735200,
%U 9927470411345581984890,3128005716477250367216640,1090689073286188397027568380,415560636438834909293721364320,171338083303545263513720985887520
%N Number of labeled connected non-planar projective-planar K{3,3}-free graphs with n vertices.
%H A. Gagarin, G. Labelle and P. Leroux, <a href="http://arxiv.org/abs/math/0406140">Counting labeled projective-planar graphs without a K_{3,3}-subdivision</a>, arXiv:math/0406140 [math.CO], 2004-2006.
%K nonn
%O 5,2
%A _Michel Marcus_, Nov 02 2015