A197076 - OEIS

%I #5 Mar 31 2012 12:36:28

%S 6,81,812,9492,109286,1282123,14895018,173097490,2014367937,

%T 23437273689,272686908212,3172875930820,36918402757845,

%U 429566882643506,4998281938091148,58158282162055320,676709925624440764

%N Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,2,4,0 for x=0,1,2,3,4

%C Every 0 is next to 0 3's, every 1 is next to 1 1's, every 2 is next to 2 2's, every 3 is next to 3 4's, every 4 is next to 4 0's

%C Column 5 of A197079

%H R. H. Hardin, <a href="/A197076/b197076.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 09 2011