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%I #5 May 14 2019 22:04:14
%S 0,0,0,0,15,8908,7451436
%N Number of (undirected) cycles in the n-triangular honeycomb obtuse knight graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a>
%K nonn,more
%O 1,5
%A _Eric W. Weisstein_, May 14 2019