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%I #4 Mar 31 2012 12:37:28
%S 2,13,115,1468,22738,415695,8685016,187123430
%N Number of nX2 0..7 arrays with every element value z a city block distance of exactly z from another element value z
%C Column 2 of A209218
%e Some solutions for n=5
%e ..1..0....3..4....4..0....4..4....0..1....1..1....4..2....1..5....5..4....1..1
%e ..1..0....4..2....1..2....3..4....2..1....1..1....0..2....1..3....2..2....0..2
%e ..2..0....0..3....1..1....1..1....0..1....2..0....1..2....1..2....0..2....2..2
%e ..0..1....3..2....2..2....4..3....2..0....0..2....1..2....3..0....4..2....0..0
%e ..2..1....3..4....4..2....4..4....1..1....1..1....4..2....5..2....0..5....0..2
%K nonn
%O 1,1
%A _R. H. Hardin_ Mar 06 2012
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