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%I #7 Mar 15 2023 11:32:33
%S 10,635,46470,2497939,128482557,6446131005,325528559843,
%T 16644234605381,852914715264837,43670664954372485,2233712112728209837,
%U 114208859183577359217,5839967102661447809375,298652899566008996574607
%N Number of n X 4 0..2 arrays with every element value z a city block distance of exactly z from another element value z.
%C Column 4 of A209476.
%H R. H. Hardin, <a href="/A209472/b209472.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..0..0..0..0....0..0..2..2....2..2..2..2....2..0..0..0....2..1..1..1
%e ..1..0..2..0....0..2..2..0....1..1..2..0....2..2..1..2....0..2..1..1
%e ..1..1..0..2....1..1..1..2....1..0..0..0....0..2..1..1....2..0..0..1
%Y Cf. A209476.
%K nonn
%O 1,1
%A _R. H. Hardin_, Mar 09 2012
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