A197780 - OEIS

%I #5 Mar 31 2012 12:36:30

%S 6,352,8085,221082,5833286,153517349,4052348046,106662154198,

%T 2816548576990,74313847621002,1959765215718653,51696230890146989,

%U 1363689536950015987,35970623755533169978,948840295066984918805

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

%C Column 6 of A197782

%H R. H. Hardin, <a href="/A197780/b197780.txt">Table of n, a(n) for n = 1..169</a>

%e Some solutions containing all values 0 to 4 for n=4

%e ..0..2..1..3..1..2....1..3..1..2..2..1....0..1..2..0..0..0....0..0..0..0..1..0

%e ..0..1..4..1..0..1....2..1..4..1..1..0....2..1..1..0..0..1....0..0..1..2..2..1

%e ..1..0..1..2..0..0....0..0..1..3..3..1....1..1..4..1..2..2....0..1..4..1..0..1

%e ..2..1..0..0..0..0....0..0..2..1..1..2....0..2..1..3..1..1....0..2..1..3..1..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Oct 18 2011