The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #3 Aug 28 2012 14:27:52
%S 2,12,366,6150,847594,30312074,10289785215,609400419815,
%T 392670408857828,33926900616984192,35986649547821568686
%N Number of horizontal, vertical and diagonal neighbor colorings of the even squares of an nX5 array with new integer colors introduced in row major order
%C Column 5 of A215959
%e Some solutions for n=4
%e ..0..x..1..x..0....0..x..1..x..2....0..x..1..x..2....0..x..1..x..0
%e ..x..2..x..3..x....x..1..x..0..x....x..2..x..3..x....x..1..x..2..x
%e ..4..x..5..x..4....1..x..0..x..1....1..x..3..x..1....1..x..3..x..4
%e ..x..1..x..4..x....x..0..x..2..x....x..0..x..4..x....x..0..x..4..x
%K nonn
%O 1,1
%A _R. H. Hardin_ Aug 28 2012