Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #4 Sep 01 2012 12:52:12
%S 2,34,2440,322768,87852160,33093252880,20358402201792,
%T 15604440074084672,17423570614012565376,22946861101272125055616,
%U 41082882676098706722895360,83889915459846520832774898688,222247072052822589353800809064448
%N Number of horizontal and antidiagonal neighbor colorings of the odd squares of an nX6 array with new integer colors introduced in row major order
%C Column 6 of A216084
%H R. H. Hardin, <a href="/A216082/b216082.txt">Table of n, a(n) for n = 1..26</a>
%e Some solutions for n=4
%e ..x..0..x..1..x..0....x..0..x..1..x..2....x..0..x..1..x..2....x..0..x..1..x..2
%e ..1..x..2..x..3..x....1..x..3..x..0..x....2..x..3..x..0..x....1..x..3..x..4..x
%e ..x..3..x..4..x..5....x..1..x..4..x..1....x..0..x..4..x..5....x..5..x..3..x..6
%e ..1..x..3..x..1..x....4..x..3..x..5..x....3..x..0..x..6..x....3..x..4..x..3..x
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 01 2012