login
Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,4,0 for x=0,1,2,3,4
1

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

%S 6,290,7106,183864,5021137,135820428,3683084153,99818807528,

%T 2707589789345,73439922027377,1991359749836248,54002873765907282,

%U 1464524123912748354,39716029408785484453,1077051645006852678606

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

%C Column 6 of A197167

%H R. H. Hardin, <a href="/A197165/b197165.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 10 2011