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%I #4 Oct 16 2015 07:32:17
%S 10,112,9888,826249,84790557,8491666657,883978450474,92359613590072,
%T 9695725030142616,1017738982928794777,106860144447454638429,
%U 11219638590333541521601,1178048734539490226212450
%N Number of (n+1)X(5+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.
%C Column 5 of A263373.
%H R. H. Hardin, <a href="/A263370/b263370.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..2..0..2..0..2..0....1..0..2..0..1..1....2..2..0..0..1..0....1..1..1..0..2..0
%e ..1..0..1..0..1..0....1..1..1..0..2..0....2..2..0..2..2..0....0..0..0..1..1..2
%e ..2..2..0..2..2..0....2..1..2..2..1..2....1..1..2..1..1..2....0..0..2..1..2..1
%e ..1..1..0..1..1..0....0..2..1..1..1..2....2..2..1..0..1..1....1..1..2..2..1..0
%Y Cf. A263373.
%K nonn
%O 1,1
%A _R. H. Hardin_, Oct 16 2015