|
%I #5 Mar 31 2012 12:36:26
%S 5,203,4078,79091,1522940,29573040,578185580,11258527547,219297645143,
%T 4274120207800,83275132187687,1622565925016744,31616114007093818,
%U 616031527790536102,12003229599915611115,233881266610307631641
%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,1,4 for x=0,1,2,3,4
%C Every 0 is next to 0 3's, every 1 is next to 1 2's, every 2 is next to 2 0's, every 3 is next to 3 1's, every 4 is next to 4 4's
%C Column 5 of A196590
%H R. H. Hardin, <a href="/A196587/b196587.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for n=4
%e ..0..0..2..1..1....2..0..1..0..0....0..0..1..0..0....1..2..0..2..1
%e ..0..0..0..0..2....0..0..2..0..0....0..0..2..2..2....1..0..0..0..0
%e ..2..1..0..0..0....0..0..1..1..2....0..1..0..0..0....2..0..0..2..1
%e ..0..0..2..1..0....0..0..0..0..0....0..2..0..0..0....0..0..0..1..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Oct 04 2011
| 