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%I #6 Apr 29 2016 20:10:03
%S 0,0,2,14,71,341,1591,7610,35432,165209
%N Number of ways to place two non-attacking wazirs on all free n-ominoes.
%e E.g. the triomino XXX admits 1 combination of 2 non-attacking wazirs.
%e The triomino XX admits 1 combination of 2 non-attacking wazirs.
%e ............ X
%K nonn
%O 1,3
%A _David Scambler_, Aug 27 2010
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