A196801 - OEIS

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

%S 13,2057,140348,8882811,567312297,36350586798,2336509457978,

%T 149921556582391,9626071838140254,617911286516585441,

%U 39661708458260298030,2546127117580511443456,163441791893758118667088

%N Number of nX7 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,0,4,1 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 4's, every 4 is next to 4 1's

%C Column 7 of A196802

%H R. H. Hardin, <a href="/A196801/b196801.txt">Table of n, a(n) for n = 1..116</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 06 2011