A209608 - OEIS

%I #5 Mar 31 2012 12:37:29

%S 4,538,39667,1947347,95442732,4623938410,223164388883,10856162934984,

%T 528920119608746,25753779566714769,1253886238749742186,

%U 61044670504573175803,2971820260865357745857,144678418539833929320007

%N Number of nX6 1..2 arrays with every element value z a city block distance of exactly z from another element value z

%C Column 6 of A209610

%H R. H. Hardin, <a href="/A209608/b209608.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=3

%e ..2..1..1..2..2..1....1..1..2..1..2..2....1..1..2..1..2..2....1..1..1..1..2..2

%e ..1..1..1..1..1..1....2..2..2..1..1..1....1..2..2..1..2..1....1..1..1..2..2..2

%e ..2..1..1..2..2..2....2..2..1..1..2..2....1..1..2..1..1..1....1..1..1..1..1..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 10 2012