Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #5 Mar 31 2012 12:36:00
%S 6132,17077,50590,161097,579771,2185733,8600335,36366658,156863626,
%T 689415818,3168631633,14630695130,67976252871,325283270950,
%U 1553794150160,7427099657330,36244496322073,176177225797658,855011742964725
%N 1/12 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last
%C Column 3 of A184505
%H R. H. Hardin, <a href="/A184501/b184501.txt">Table of n, a(n) for n = 1..136</a>
%e Some solutions with a(1,1)=0 for 4X5
%e ..0..0..1..0..0....0..0..2..2..0....0..0..0..1..1....0..0..0..0..0
%e ..1..2..0..0..0....0..0..2..2..0....0..1..1..1..2....2..0..2..2..1
%e ..0..0..1..1..2....1..2..0..1..2....1..2..0..1..0....2..1..0..2..0
%e ..1..0..0..1..0....0..2..0..2..2....1..0..1..0..1....0..2..2..0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 16 2011