%I #5 Aug 11 2014 22:45:52
%S 11,136,1084,8427,60039,384591,2209056,11456481,54141062,235262503,
%T 947783225,3566095007,12613787982,42187331840,134097083832,
%U 406916965311,1183456563350,3310261263895,8932219958483,23313790229352,59000955033387
%N Number of nX4 0,1 arrays indicating 2X2 subblocks of some larger (n+1)X5 binary array having a sum of two, with rows and columns of the latter in lexicographically nondecreasing order
%C Column 4 of A227103
%H R. H. Hardin, <a href="/A227101/b227101.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A227101/a227101.txt">Empirical polynomial of degree 31</a>
%F Empirical polynomial of degree 31 (see link above)
%e Some solutions for n=4
%e ..0..1..0..0....0..0..0..0....0..0..0..0....0..0..1..0....0..0..0..1
%e ..0..0..0..0....0..0..0..1....0..0..1..0....0..0..1..0....0..1..1..1
%e ..0..0..0..0....0..1..0..0....0..1..0..0....0..1..0..0....1..0..1..0
%e ..0..0..0..0....1..0..0..1....1..0..1..0....0..1..1..0....1..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jul 01 2013
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