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Number of nX5 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one
1

%I #5 Mar 31 2012 12:36:40

%S 52,21028,1258392,133370844,16571687222,1822875311878,206279107863030,

%T 23670062611992688,2692960454212533604,306758271216764263660,

%U 34985557565661268777168,3987595250836956206029738

%N Number of nX5 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one

%C Column 5 of A200809

%H R. H. Hardin, <a href="/A200806/b200806.txt">Table of n, a(n) for n = 1..18</a>

%e Some solutions for 3X3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Nov 22 2011