A233621 - OEIS

%I #4 Dec 14 2013 06:59:59

%S 10864544,1955165211,345855899520,61016076689221,10751985514076079,

%T 1894224161834632818,333687213953551022545,58781409843775920833914,

%U 10354713897441855413799188,1824045467638197765675136627

%N Number of (3+2)X(n+2) 0..2 arrays with no increasing sequence of length 3 horizontally or diagonally downwards

%C Row 3 of A233618

%H R. H. Hardin, <a href="/A233621/b233621.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

%e ..0..1..0....0..2..1....0..2..0....0..0..1....0..1..0....0..1..1....0..0..0

%e ..1..0..0....1..0..0....1..2..2....2..0..2....1..0..0....0..1..1....2..2..2

%e ..2..0..1....2..1..2....2..2..1....2..0..1....0..2..2....2..0..1....1..0..0

%e ..1..1..1....0..0..2....0..2..0....2..2..1....2..0..1....2..2..1....0..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 14 2013