%I #9 Jul 28 2017 12:03:39
%S 0,0,3,18,87,423,2340,15855,137160,1544121,22771791,443447013
%N Number of (undirected) paths in the n-triangular honeycomb acute knight graph.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/GraphPath.html">Graph Path</a>
%Y Cf. A289901 (number of undirected cycles).
%K nonn,more
%O 1,3
%A _Eric W. Weisstein_, Jul 27 2017