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%I #5 Nov 25 2018 12:23:53
%S 1,2,1,3,2,4,4,13,10,65,30,231,168,1370,1317,17525,10846,191939,
%T 133498,2802218,2431795,73051050,54458173,2202863847,1575946900,
%U 84041510893,69906212126,5035951361562,4061748253676,385626222267420
%N Number of n X n binary arrays, symmetric about the diagonal and under 90-degree rotation, with every 1 adjacent to at least one other 1 both bishopwise and rookwise but with no three 1s in a row bishopwise or rookwise.
%K nonn
%O 1,2
%A _R. H. Hardin_, Sep 15 2008
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