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%I #4 Dec 20 2015 10:29:38
%S 1,819,120,41919,27764427,1550545435,117167373425,15587739999833,
%T 1943173605444535,208126602248667993,22518608197762742166,
%U 2535857557129176298847,285358444796155891907361
%N Number of 5Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself.
%C Row 5 of A266055.
%H R. H. Hardin, <a href="/A266059/b266059.txt">Table of n, a(n) for n = 1..164</a>
%e Some solutions for n=4
%e ..0..2..3..0....0..3..1..0....0..2..3..0....1..0..3..0....1..1..3..0
%e ..0..2..3..1....0..4..2..2....0..1..4..0....2..2..4..0....2..1..3..0
%e ..0..4..0..2....0..4..1..1....2..1..3..0....0..3..1..2....1..4..4..1
%e ..0..4..2..0....0..4..2..0....0..4..4..0....0..4..2..2....0..3..0..1
%e ..0..3..3..0....0..3..3..0....1..1..3..0....0..3..1..0....0..2..3..0
%Y Cf. A266055.
%K nonn
%O 1,2
%A _R. H. Hardin_, Dec 20 2015