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%I #6 Sep 04 2022 22:49:13
%S 1021428,10193041,43088793,49369118,159041102,325742026,933774220,
%T 3391678348,9927463676,34363573228,120867828716,419133745900,
%U 1533506476524,5688509028844,21334401501676,81613015824876
%N Number of (n+2) X (6+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
%C Column 6 of A254260.
%H R. H. Hardin, <a href="/A254258/b254258.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = 5*a(n-1) +12*a(n-2) -48*a(n-3) -176*a(n-4) +80*a(n-5) +1792*a(n-6) +640*a(n-7) -6400*a(n-8) -10240*a(n-9) +14336*a(n-10) +32768*a(n-11) -32768*a(n-12) for n>20.
%e Some solutions for n=1
%e ..0..0..0..0..0..1..0..1....0..0..0..0..1..1..0..0....0..0..1..1..1..0..1..0
%e ..0..0..0..1..1..0..0..1....0..0..0..0..0..0..1..1....0..0..0..0..0..0..1..1
%e ..0..1..1..0..1..1..1..1....0..0..1..1..0..0..1..1....1..1..1..1..1..1..0..1
%Y Cf. A254260.
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 27 2015
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