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%I #4 Oct 04 2015 10:11:30
%S 1,11,33,137,1411,7417,51769,529931,4701201,44632313,454922851,
%T 4573641865,46374477961,476430252011,4902011719233,50649718388009,
%U 526357874613571,5483464232074777,57393678601087705,603752064813378251
%N Number of (n+1)X(4+1) 0..1 arrays with each row divisible by 3 and each column divisible by 7, read as a binary number with top and left being the most significant bits.
%C Column 4 of A262917.
%H R. H. Hardin, <a href="/A262913/b262913.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..1..1..0....1..1..1..1..0....1..1..0..0..0....0..1..1..0..0
%e ..0..0..1..1..0....1..1..1..1..0....1..1..1..1..0....0..0..1..1..0
%e ..1..1..1..1..0....1..1..1..1..0....1..1..1..1..0....1..1..1..1..0
%e ..1..1..0..0..0....0..0..0..0..0....0..0..1..1..0....1..0..0..1..0
%e ..1..1..0..0..0....0..0..0..0..0....0..0..0..0..0....1..1..0..0..0
%Y Cf. A262917.
%K nonn
%O 1,2
%A _R. H. Hardin_, Oct 04 2015
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