A258905 - OEIS

%I #4 Jun 14 2015 16:22:59

%S 11872,86968,659792,5271330,38603552,279149887,2026873370,14414890711,

%T 101729978782,713646685384,4972387097538,34447528903062,

%U 237597968142112,1632011477851887,11168737053194688,76188905928464959,518233427901264780

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

%C Column 3 of A258910

%H R. H. Hardin, <a href="/A258905/b258905.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%Y Cf. A258910

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 14 2015