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%I #4 Nov 30 2014 20:20:44
%S 631,5569,50912,502971,4907873,48781920,482274751,4791965557,
%T 47523048960,471984045011,4684560331885,46516009269268,
%U 461786651683295,4585017470092103,45520667522670878,451955910904080413
%N Number of (n+1)X(6+1) 0..1 arrays with no 2X2 subblock having zero or two 1s
%C Column 6 of A251219
%H R. H. Hardin, <a href="/A251217/b251217.txt">Table of n, a(n) for n = 1..210</a>
%H R. H. Hardin, <a href="/A251217/a251217.txt">Empirical recurrence of order 62</a>
%F Empirical recurrence of order 62 (see link above)
%e Some solutions for n=3
%e ..0..1..0..1..0..1..1....0..1..1..0..1..1..1....1..0..1..1..1..1..0
%e ..1..1..1..1..1..1..1....1..1..1..1..1..1..1....1..1..1..0..1..1..1
%e ..1..0..1..1..1..1..0....1..1..0..1..1..0..1....0..1..1..1..1..1..0
%e ..1..1..1..1..1..0..0....1..0..0..0..1..1..1....1..1..1..0..1..1..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 30 2014
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