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%I #6 Aug 25 2022 11:32:09
%S 9,323,809,8262,154939,1066148,11753249,164649556,1624261580,
%T 18538981257,229469667714,2536359623435,29278580961556,
%U 347292039035416,3973004685343895,46045222804587434,538477979319956709
%N Number of n X 5 integer arrays with each element equal to the number of horizontal, vertical, diagonal and antidiagonal neighbors exactly one smaller than itself.
%C Column 5 of A266067.
%H R. H. Hardin, <a href="/A266065/b266065.txt">Table of n, a(n) for n = 1..65</a>
%e Some solutions for n=4
%e ..2..1..2..1..1....1..1..2..1..0....1..0..2..1..0....0..0..3..1..0
%e ..1..0..3..0..2....2..0..3..2..2....2..2..2..1..2....2..2..2..2..2
%e ..2..3..2..2..0....0..3..2..0..1....1..2..2..2..2....1..1..2..0..1
%e ..0..1..2..1..1....1..2..1..1..1....1..0..3..1..0....2..0..2..1..2
%Y Cf. A266067.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 20 2015
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