%I #7 Aug 11 2017 03:55:10
%S 0,0,6,353,155116,848595621,67556125248940,88599625785544302994
%N Number of (undirected) cycles in the n-triangular honeycomb bishop graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphCycle.html">Graph Cycle</a>
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, Aug 10 2017
%E a(8) from _Andrew Howroyd_, Aug 10 2017