A253995 - OEIS

%I #4 Jan 21 2015 20:20:55

%S 11872,71116,477856,3060398,20022358,133063670,890259584,5899215927,

%T 39196387788,260248078913,1725703804020,11432869318075,75714991386512,

%U 501055128371203,3313759490215024,21903446778478467,144699405028716180

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

%C Row 3 of A253993

%H R. H. Hardin, <a href="/A253995/b253995.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 2015