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A262318 Number of (n+2)X(6+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.

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%I A262318 #3 Sep 17 2015 22:22:51
%S A262318 37,145,1009,42661,413893,7914829,281951533,7901300449,257187953521
%N A262318 Number of (n+2)X(6+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 A262318 Column 6 of A262319.
%e A262318 Some solutions for n=4
%e A262318 ..0..0..1..0..1..0..1..0....1..0..0..0..1..1..0..0....0..0..0..0..0..1..1..1
%e A262318 ..0..1..1..0..1..0..0..1....1..0..0..0..1..1..0..0....0..0..0..0..0..1..1..1
%e A262318 ..1..1..0..0..1..0..1..1....0..0..0..0..0..0..0..0....0..0..0..0..0..1..1..1
%e A262318 ..1..1..0..1..1..0..0..1....0..0..1..1..0..0..0..1....1..1..1..0..1..1..1..0
%e A262318 ..1..0..0..1..1..0..1..0....0..0..1..1..0..0..0..1....1..1..1..0..1..1..1..0
%e A262318 ..0..0..1..1..1..0..0..0....1..0..1..1..1..1..0..1....1..1..1..0..1..1..1..0
%Y A262318 Cf. A262319.
%K A262318 nonn
%O A262318 1,1
%A A262318 _R. H. Hardin_, Sep 17 2015

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