%I #4 Dec 20 2015 07:11:24
%S 9,99,316,3796,39064,336357,3254726,31035211,292685424,2799525337,
%T 26595754073,253049304865,2411701918670,22950798550179,
%U 218539972439888,2081095747834009,19814659576096763,188682858931600792
%N Number of nX5 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself.
%C Column 5 of A266025.
%H R. H. Hardin, <a href="/A266022/b266022.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..1..0..2..1..1....2..1..0..0..1....1..0..2..1..0....0..0..1..2..1
%e ..1..1..2..0..1....1..2..3..2..1....2..0..1..1..1....0..2..3..2..0
%e ..2..3..2..1..2....0..2..0..2..0....1..1..1..1..1....2..1..1..2..0
%e ..0..0..1..2..0....1..1..1..2..1....2..2..0..2..0....1..0..2..1..1
%Y Cf. A266025.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 20 2015
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