A196854 - OEIS

%I #5 Mar 31 2012 12:36:27

%S 22,1792,56470,2369631,94652804,3805929995,152929723254,6148984299163,

%T 247223213832440,9939022894905148,399570539750626195,

%U 16063726580619196531,645804489432297174658,25963059069129330544089

%N Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,1,0,2,4 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 0's, every 3 is next to 3 2's, every 4 is next to 4 4's

%C Column 6 of A196856

%H R. H. Hardin, <a href="/A196854/b196854.txt">Table of n, a(n) for n = 1..172</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 06 2011