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%I #15 May 17 2017 00:17:27
%S 0,0,0,0,1,13,204,4700,147063,5669609
%N Number of nonplanar apex graphs on n vertices.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ApexGraph.html">Apex Graph</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/NonplanarGraph.html">Nonplanar Graph</a>
%Y Cf. A215620 (counts of all apex graphs, including planar ones).
%K nonn,more
%O 1,6
%A _Eric W. Weisstein_, Aug 17 2012
%E a(10) from _Eric W. Weisstein_, Aug 20 2012
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