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%I #6 Dec 19 2015 09:52:16
%S 625,62696,174000,542940,1546496,4697060,13716476,42266448,137268524,
%T 432014132,1349545464,4231840236,13782839880,43359019136,137060135072,
%U 432317230340,1404453869116,4429418463040,14067958304776,44544242171944
%N Number of 4Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
%C Row 4 of A265928.
%H R. H. Hardin, <a href="/A265932/b265932.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=3
%e ..1..3..4....1..3..3....2..1..1....0..4..1....1..4..4....1..1..3....1..0..4
%e ..0..0..1....4..0..2....3..3..0....2..1..4....3..1..1....4..3..1....3..1..1
%e ..3..4..4....1..1..3....4..1..3....3..0..1....0..3..3....0..0..4....2..0..3
%e ..2..2..3....4..4..1....1..4..2....2..1..4....2..0..4....2..2..3....4..3..1
%Y Cf. A265928.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 18 2015
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