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

%I #5 Mar 31 2012 12:36:25

%S 12,62,259,2998,22971,193137,1306488,10441374,87352550,710287441,

%T 5397422494,42850420911,348219126761,2770605337166,21906712624064,

%U 175575058788514,1413026462375021,11258561165769824,89622355955131307

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

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

%C Column 6 of A196287

%H R. H. Hardin, <a href="/A196285/b196285.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 30 2011