|
%I #5 Mar 31 2012 12:36:30
%S 1,19,162,967,7845,58434,462825,3560859,27478512,213540131,1655543599,
%T 12828732416,99455874997,771029045491,5977169558845,46336520563805,
%U 359215034469100,2784731837712288,21587977565996803,167356072621226437
%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,3,1,1,0 for x=0,1,2,3,4
%C Every 0 is next to 0 2's, every 1 is next to 1 3's, every 2 is next to 2 1's, every 3 is next to 3 1's, every 4 is next to 4 0's
%C Column 5 of A197503
%H R. H. Hardin, <a href="/A197500/b197500.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions containing all values 0 to 4 for n=4
%e ..0..0..1..3..1....0..0..0..0..0....0..1..3..1..0....0..0..1..3..1
%e ..0..0..0..1..2....0..1..0..0..0....0..1..1..0..0....0..4..0..1..2
%e ..0..4..0..1..2....1..3..0..4..0....1..3..0..4..0....0..0..0..1..2
%e ..0..0..1..3..1....2..1..0..0..0....2..1..0..0..0....0..0..1..3..1
%K nonn
%O 1,2
%A _R. H. Hardin_ Oct 15 2011
|
