%I #6 Feb 10 2015 07:48:11
%S 2540,7212,26370,98002,279743,774662,2035893,5114873,12474341,
%T 29590558,68901604,158137068,357684484,800611865,1776191086,
%U 3909310915,8548743880,18587419029,40212191986,86599353650,185779037285,397204639125
%N Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally
%C Column 2 of A254020
%H R. H. Hardin, <a href="/A254014/b254014.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..0..0..0....0..0..0..0....1..0..1..1....0..1..1..0....0..0..1..1
%e ..1..0..0..0....0..0..0..0....0..0..0..1....0..0..0..0....1..0..0..0
%e ..0..0..0..1....1..0..0..0....0..0..0..1....0..1..1..0....0..0..1..1
%e ..1..0..0..1....0..0..1..1....1..1..1..0....0..0..0..1....1..1..1..0
%e ..0..0..1..1....0..0..1..1....0..1..1..1....1..1..1..1....1..1..1..1
%e ..0..1..1..0....1..1..1..0....0..1..0..0....1..0..1..1....1..1..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 22 2015