%I #4 Dec 09 2015 10:50:57
%S 125,2764,290140,22533687,2002867877,176223025171,14031585901207,
%T 982335169173608,67632927650356131,4930666504007626924,
%U 359381248044546056906,24470589601229482555646,1578712921429768156705587
%N Number of 5Xn 0..5+n-2 arrays with upper left zero and lower right 5+n-2 and each element differing from its horizontal and antidiagonal neighbors by one or two.
%C Row 5 of A265466.
%H R. H. Hardin, <a href="/A265470/b265470.txt">Table of n, a(n) for n = 1..61</a>
%e Some solutions for n=2
%e ..0..2....0..1....0..1....0..1....0..1....0..2....0..1....0..2....0..2....0..2
%e ..1..2....2..1....2..3....2..4....0..2....3..5....0..2....4..3....0..1....4..3
%e ..4..5....3..2....4..5....2..4....3..4....3..2....0..2....1..3....2..3....2..1
%e ..4..2....1..2....3..5....2..1....3..2....0..2....4..2....4..3....5..3....2..3
%e ..3..5....3..5....4..5....3..5....3..5....4..5....4..5....4..5....4..5....4..5
%Y Cf. A265466.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 09 2015
|