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%I #6 Mar 31 2012 12:37:25
%S 1,2,5,12,33,99,286,794,2235,6193,17584,49978,141115,397871,1119496,
%T 3143540,8816661,24794657,69734595,196208514,550646282,1545975038,
%U 4342120668,12196239620,34268355937,96256484372,270382410201
%N Number of nX1 0..5 arrays with every element value z a city block distance of exactly z from another element value z
%C Column 1 of A208960
%H R. H. Hardin, <a href="/A208957/b208957.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=7
%e ..1....3....4....0....1....2....0....5....2....0....3....5....0....0....0....3
%e ..1....0....0....2....1....0....0....0....3....1....0....2....5....4....5....0
%e ..2....3....4....3....1....2....0....4....2....1....0....2....1....1....2....0
%e ..2....3....2....2....0....0....2....1....0....3....3....2....1....1....2....3
%e ..2....2....4....2....0....2....0....1....3....1....0....2....0....0....2....1
%e ..2....3....2....3....0....0....2....5....1....1....1....5....0....4....2....1
%e ..2....2....4....2....0....0....0....4....1....3....1....0....5....0....5....3
%K nonn
%O 1,2
%A _R. H. Hardin_ Mar 03 2012
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