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Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically
1

%I #4 Jan 17 2015 08:09:09

%S 19456,291392,4186496,54933632,700079360,9090451328,118920758784,

%T 1541740409984,20040279401216,260372862960000,3382959819079680,

%U 43972750683508352,571716808018664704,7430928932383333248

%N Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally and vertically

%C Column 3 of A253863

%H R. H. Hardin, <a href="/A253858/b253858.txt">Table of n, a(n) for n = 1..210</a>

%H R. H. Hardin, <a href="/A253858/a253858.txt">Empirical recurrence of order 70</a>

%F Empirical recurrence of order 70 (see link above)

%e Some solutions for n=1

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2015