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A265470
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.
1
125, 2764, 290140, 22533687, 2002867877, 176223025171, 14031585901207, 982335169173608, 67632927650356131, 4930666504007626924, 359381248044546056906, 24470589601229482555646, 1578712921429768156705587
OFFSET
1,1
COMMENTS
Row 5 of A265466.
LINKS
EXAMPLE
Some solutions for n=2
..0..2....0..1....0..1....0..1....0..1....0..2....0..1....0..2....0..2....0..2
..1..2....2..1....2..3....2..4....0..2....3..5....0..2....4..3....0..1....4..3
..4..5....3..2....4..5....2..4....3..4....3..2....0..2....1..3....2..3....2..1
..4..2....1..2....3..5....2..1....3..2....0..2....4..2....4..3....5..3....2..3
..3..5....3..5....4..5....3..5....3..5....4..5....4..5....4..5....4..5....4..5
CROSSREFS
Cf. A265466.
Sequence in context: A017127 A119633 A017223 * A017331 A264139 A030690
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2015
STATUS
approved