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Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero
1

%I #5 Dec 18 2015 18:17:21

%S 818230288201,1256563983301548,1591459525493191333,

%T 1658410504426057201360,1439614891066455972856613,

%U 1052382631493708863536372499,654660592773941397670404854878

%N Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and all but the outermost 4 rows or columns zero

%H R. H. Hardin, <a href="/A162027/b162027.txt">Table of n, a(n) for n=8..15</a>

%K nonn

%O 8,1

%A _R. H. Hardin_ Jun 25 2009