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%I #4 Dec 31 2015 07:05:50
%S 2,4,8,16,36,58,110,196,363,695,1157,2023,3446,5755,9485,14901,23156,
%T 35568,53350,79575,114919,165223,233650,327246,453231,618603,836533,
%U 1122433,1490044,1967385,2565448,3329153,4284884,5482977,6970961,8800503
%N Number of nX5 binary arrays with rows and columns lexicographically nondecreasing and row and column sums nonincreasing.
%C Column 5 of A266547.
%H R. H. Hardin, <a href="/A266544/b266544.txt">Table of n, a(n) for n = 1..60</a>
%e Some solutions for n=6
%e ..0..1..1..1..1....0..0..1..1..1....0..1..1..1..1....0..1..1..1..1
%e ..0..1..1..1..1....0..1..0..1..1....0..1..1..1..1....0..1..1..1..1
%e ..1..0..0..1..1....1..0..1..0..0....1..0..0..1..1....1..0..0..0..1
%e ..1..0..1..0..0....1..0..1..0..0....1..0..0..1..1....1..0..0..1..0
%e ..1..1..0..0..0....1..1..0..0..0....1..1..1..0..0....1..0..1..0..0
%e ..1..1..0..0..0....1..1..0..0..0....1..1..1..0..0....1..1..0..0..0
%Y Cf. A266547.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 31 2015