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%I #3 Dec 20 2015 07:12:27
%S 25,719,3394,110924,3254726,63460724,1577145547,38948760562,
%T 916245375526,22100022039548,535029907435345,12865137927698631
%N Number of nX7 integer arrays with each element equal to the number of horizontal, vertical and antidiagonal neighbors exactly one smaller than itself.
%C Column 7 of A266025.
%e Some solutions for n=4
%e ..1..0..1..1..0..0..0....1..2..1..2..0..2..0....1..2..2..1..2..1..0
%e ..1..2..2..3..2..2..0....0..0..1..2..1..1..1....0..1..2..0..2..2..1
%e ..2..0..2..1..1..1..2....0..2..2..3..2..2..2....2..3..2..1..3..2..1
%e ..1..1..2..0..1..1..0....1..2..1..0..0..0..1....1..0..1..1..0..0..1
%Y Cf. A266025.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 20 2015