%I
%S 5,136,61915,12297870,33093354906,18383343930862,148049849072167133,
%T 166176901557427161788,2985013124775648539788601,
%U 5737167226254078112766902750,194564626464285317322710261641286
%N Number of horizontal and antidiagonal neighbor colorings of the even squares of an nX7 array with new integer colors introduced in row major order
%C Column 7 of A216338
%H R. H. Hardin, <a href="/A216337/b216337.txt">Table of n, a(n) for n = 1..17</a>
%e Some solutions for n=4
%e ..0..x..1..x..2..x..3....0..x..1..x..2..x..0....0..x..1..x..2..x..3
%e ..x..0..x..4..x..5..x....x..0..x..3..x..4..x....x..0..x..3..x..1..x
%e ..1..x..0..x..1..x..6....1..x..0..x..1..x..0....1..x..2..x..3..x..1
%e ..x..7..x..2..x..4..x....x..5..x..2..x..5..x....x..4..x..5..x..6..x
%K nonn
%O 1,1
%A _R. H. Hardin_ Sep 04 2012
