A196744 - OEIS

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

%S 1,41,1144,19567,400368,7942712,158910093,3154873061,62983652064,

%T 1254587192478,24999683657717,498208235612370,9928170924108502,

%U 197840444358226725,3942513809137853076,78564804146413114965

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

%C Column 6 of A196746

%H R. H. Hardin, <a href="/A196744/b196744.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

%e ..0..3..0..3..0..0....0..3..0..0..0..0....0..1..0..0..3..0....0..3..0..0..0..0

%e ..3..0..0..0..0..0....3..0..3..0..3..0....0..3..0..3..0..0....3..0..1..1..3..0

%e ..0..0..0..0..3..0....0..0..1..0..1..0....0..0..0..1..0..0....0..0..3..0..0..0

%e ..0..0..3..0..1..0....0..0..0..3..0..0....0..0..0..0..3..0....0..0..0..0..0..0

%K nonn

%O 1,2

%A _R. H. Hardin_ Oct 06 2011