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A208585
Number of 5 X n nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
0
52, 90863, 992352688, 36182978136598, 3233126493451564482
OFFSET
1,1
COMMENTS
Row 5 of A208581.
EXAMPLE
Some solutions for n=4
..0..0..0..0....0..0..0..0....0..1..0..0....0..0..0..0....0..0..0..0
..1..1..1..0....1..2..1..0....0..1..1..0....1..1..1..0....1..1..1..0
..2..0..1..0....0..0..1..0....0..0..1..0....0..0..1..0....0..0..1..2
..0..1..0..1....1..2..0..1....1..2..0..1....1..0..1..0....1..0..0..0
..0..1..0..0....0..1..2..0....0..1..0..0....0..1..0..1....0..1..1..0
CROSSREFS
Cf. A208581.
Sequence in context: A263223 A198525 A208580 * A208464 A211252 A208470
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 29 2012
STATUS
approved