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Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order
0

%I #3 Aug 30 2012 05:42:47

%S 1,12,97,6150,146327,30312074,1355988481,609400419815,42505520884540,

%T 33926900616984192,3335043669700991645

%N Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX5 array with new integer colors introduced in row major order

%C Column 5 of A216031

%e Some solutions for n=4

%e ..x..0..x..1..x....x..0..x..1..x....x..0..x..1..x....x..0..x..1..x

%e ..1..x..2..x..3....0..x..2..x..3....2..x..3..x..4....0..x..2..x..0

%e ..x..4..x..0..x....x..4..x..0..x....x..5..x..4..x....x..2..x..0..x

%e ..4..x..1..x..2....4..x..5..x..1....0..x..4..x..0....3..x..4..x..5

%K nonn

%O 1,2

%A _R. H. Hardin_ Aug 30 2012