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%I #4 Mar 31 2012 12:37:26
%S 2,13,115,1468,22738,415695,7893620,136638297,2269919266
%N Number of nX2 0..6 arrays with every element value z a city block distance of exactly z from another element value z
%C Column 2 of A209054
%e Some solutions for n=5
%e ..2..4....4..4....2..4....4..4....0..3....4..0....1..1....5..1....4..3....1..0
%e ..1..2....0..0....3..3....0..0....4..2....1..3....4..4....2..1....2..3....1..1
%e ..1..1....1..1....2..3....2..0....2..0....1..1....1..0....2..0....3..3....1..0
%e ..0..1....1..1....3..0....4..4....1..3....3..4....1..1....2..0....2..4....0..1
%e ..0..4....4..4....3..4....2..0....1..4....0..3....4..4....2..5....3..3....1..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 04 2012
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