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%I #6 Dec 19 2015 09:54:00
%S 78125,157071768,152267520,225444912,309447168,579039920,1135042936,
%T 2998567088,8724089616,18964065400,44566825520,107404139812,
%U 337477736424,721835834136,1878102206024,4325671914740,13771113959216,29460813516752
%N Number of 7Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.
%C Row 7 of A265928.
%H R. H. Hardin, <a href="/A265935/b265935.txt">Table of n, a(n) for n = 1..35</a>
%e Some solutions for n=1
%e ..4....1....3....1....3....1....1....1....2....4....4....2....0....4....0....2
%e ..3....4....2....4....1....1....4....4....2....3....4....4....4....1....2....1
%e ..0....3....1....0....1....3....4....4....4....4....3....4....4....3....3....0
%e ..4....3....0....4....3....4....1....0....0....0....4....4....2....1....1....3
%e ..4....2....1....4....0....1....4....3....1....1....1....0....2....0....0....3
%e ..2....0....3....0....4....4....1....3....2....2....4....2....1....2....1....2
%e ..1....3....4....1....2....0....2....4....0....1....3....3....0....1....4....2
%Y Cf. A265928.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 18 2015
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