%I #4 Sep 23 2015 08:46:18
%S 9,17,33,65,5961,17745,52961,158337,21044745,93470481,385241633,
%T 1550833729,89431824201,541972142417,2842025111009,14211894061697,
%U 407897039024649,3127520768485649,19675542077584929,115822243097610305
%N Number of (n+3)X(4+3) 0..1 arrays with each row and column divisible by 15, read as a binary number with top and left being the most significant bits.
%C Column 4 of A262457.
%H R. H. Hardin, <a href="/A262453/b262453.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..1..0..1..0..0..1....1..0..0..1..0..1..1....0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..0..0..0..0
%e ..1..1..0..1..0..0..1....1..0..0..1..0..1..1....0..0..0..1..1..1..1
%e ..0..0..0..0..0..0..0....0..0..0..0..0..0..0....0..0..0..1..1..1..1
%e ..1..1..0..1..0..0..1....1..0..0..1..0..1..1....0..0..0..1..1..1..1
%e ..1..1..0..1..0..0..1....1..0..0..1..0..1..1....0..0..0..1..1..1..1
%Y Cf. A262457.
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 23 2015
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