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Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum
1

%I #4 Jun 07 2015 16:49:04

%S 386304,5392960,58713912,479373352,4020536064,28017797984,

%T 180889428840,1121650360344,6319289500688,34444479406504,

%U 179092290465784,888630251710856,4294129169205328,20034775965684704,91016922993551880

%N Number of (n+3)X(2+3) 0..1 arrays with no 4x4 subblock diagonal sum less than the antidiagonal sum

%C Column 2 of A258689

%H R. H. Hardin, <a href="/A258686/b258686.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

%Y Cf. A258689

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 07 2015