A257204 - OEIS

%I #4 Apr 18 2015 08:21:22

%S 7579,20815,49932,146246,263630,411303,729311,1137502,1610329,2274915,

%T 3169472,4338292,5813318,7747950,10182266,13271860,17219400,22080758,

%U 28263063,36156579,45961370,58304592,74030044,94195258,120080310

%N Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically

%C Column 3 of A257209

%H R. H. Hardin, <a href="/A257204/b257204.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A257209

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2015