%I #3 Mar 31 2012 12:35:22
%S 1,7,25,76,295,1744,13870,129297,1393351,18761115,322004760,
%T 6998296402,187297012609
%N Number of ways to place zero or more nonadjacent 1,0 2,0 2,1 2,2 3,0 4,0 polyhexes in any orientation on a planar nXnXn triangular grid.
%e Maximal 11 X 11 X 11 example
%e .............1
%e ............1.0
%e ...........1.0.1
%e ..........1.1.0.1
%e .........0.0.1.0.1
%e ........1.0.0.0.1.1
%e .......1.1.1.0.1.0.0
%e ......1.0.0.0.0.0.0.1
%e .....1.0.1.0.1.0.1.1.1
%e ....0.0.1.0.0.1.0.0.0.1
%e ...1.1.1.1.0.1.1.1.1.0.1
%K nonn
%O 4,2
%A _R. H. Hardin_ Jan 22 2009
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