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Number of (n+3)X(3+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum
1

%I #4 Jun 07 2015 16:49:42

%S 3512272,58713912,730627431,5979059398,52832293444,341477947200,

%T 2056692302928,11963671867256,58563810099335,285373253774762,

%U 1280421053746990,5372634084121824,22200965287988789,85610008898916636

%N Number of (n+3)X(3+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum

%C Column 3 of A258689

%H R. H. Hardin, <a href="/A258687/b258687.txt">Table of n, a(n) for n = 1..98</a>

%e Some solutions for n=1

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

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

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

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

%Y Cf. A258689

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 07 2015