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%I #14 Nov 23 2021 17:30:26
%S 0,0,3,0,4,18,119,1055,17297,486446,24269709,2095669951
%N Number of simple unlabeled n-node graphs with 3 center nodes.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCenter.html">Graph Center</a>
%Y Column 3 of A294525 for n > 3.
%Y Cf. A052437, A052438, A052440, A052441.
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_
%E a(8)-a(10) from _Andrew Howroyd_, Nov 02 2017
%E a(11)-a(12) from _Sean A. Irvine_, Nov 23 2021
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