A208443 - OEIS

%I #5 Mar 31 2012 12:37:23

%S 96,15052,2440104,399447742,65501464340,10739447120572,

%T 1761292062009546,288825066733828150,47365729855695291224,

%U 7767482405072791225900,1273806350322786103256562,208892488696705806101774826

%N Number of nX6 0..2 arrays with no element equal the average of immediate neighbors vertically above and horizontally left of it

%C Column 6 of A208445

%H R. H. Hardin, <a href="/A208443/b208443.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 26 2012