A253956 - OEIS

%I #4 Jan 20 2015 20:51:05

%S 16544,142800,1501724,16186768,168988280,1798654745,18976071008,

%T 202545992765,2143481639632,22818628205489,241796247828332,

%U 2570703133363269,27261775134186480,289612451195150609

%N Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Column 3 of A253961

%H R. H. Hardin, <a href="/A253956/b253956.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 20 2015