A217270 - OEIS

%I #4 Sep 29 2012 06:55:24

%S 8,3025,772800,194881600,48909857500,12276607432401,3080781263731464,

%T 773143936621737444,194021789111058265560,48690338552261542133284,

%U 12218954146290231642146852,3066376844585908891388914564

%N Number of nX5 arrays of occupancy after each element moves to some horizontal or vertical neighbor

%C Column 5 of A217273

%H R. H. Hardin, <a href="/A217270/b217270.txt">Table of n, a(n) for n = 1..20</a>

%e Some solutions for n=3

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

%e ..0..1..2..2..0....2..1..4..2..0....1..3..2..3..1....2..1..1..4..3

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 29 2012