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A262317 Number of (n+2)X(5+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.

%I A262317 #4 Sep 17 2015 22:22:27
%S A262317 19,61,361,6043,37873,413893,8003035,103003837,1659181705,30797072443,
%T A262317 511038639601,9076599454261,167313442296139,2990829944907421,
%U A262317 54803016760339465,1017782964712240411,18753725206393581553
%N A262317 Number of (n+2)X(5+2) 0..1 arrays with each row and column divisible by 7, read as a binary number with top and left being the most significant bits.
%C A262317 Column 5 of A262319.
%H A262317 R. H. Hardin, <a href="/A262317/b262317.txt">Table of n, a(n) for n = 1..210</a>
%e A262317 Some solutions for n=4
%e A262317 ..1..0..1..0..1..0..0....0..0..0..1..1..1..0....0..0..0..1..1..1..0
%e A262317 ..1..1..1..0..0..0..0....0..1..1..1..1..1..1....0..1..0..0..0..1..1
%e A262317 ..0..1..1..1..0..0..0....1..1..1..1..1..1..0....0..0..0..0..1..1..1
%e A262317 ..0..1..0..1..0..1..0....1..1..1..0..1..1..1....0..1..1..0..0..0..1
%e A262317 ..0..0..0..1..1..1..0....1..0..0..0..1..1..0....0..0..1..1..1..0..0
%e A262317 ..1..0..0..0..1..1..0....0..0..0..0..1..1..1....0..1..1..1..0..0..0
%Y A262317 Cf. A262319.
%K A262317 nonn
%O A262317 1,1
%A A262317 _R. H. Hardin_, Sep 17 2015