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Number of (n+1)X(6+1) 0..2 arrays with each row and column divisible by 5, read as a base-3 number with top and left being the most significant digits.
1

%I #4 Oct 12 2015 11:48:34

%S 26,11444,3345984,1094138875,456363243352,199878687706434,

%T 87072717791078712,37998530090131229539,16633155845877772714382,

%U 7285320640434422479387484,3190753333014806396532157872

%N Number of (n+1)X(6+1) 0..2 arrays with each row and column divisible by 5, read as a base-3 number with top and left being the most significant digits.

%C Column 6 of A263224.

%H R. H. Hardin, <a href="/A263222/b263222.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

%e ..1..1..1..1..0..1..2....1..0..1..2..1..0..2....1..0..1..2..2..2..2

%e ..0..0..2..2..1..0..0....0..1..0..2..0..1..0....2..0..0..2..0..2..2

%e ..1..1..0..0..2..1..2....1..2..1..1..1..2..2....0..0..1..1..2..1..1

%Y Cf. A263224.

%K nonn

%O 1,1

%A _R. H. Hardin_, Oct 12 2015