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A208470
Number of 5Xn nonnegative integer arrays with new values 0 upwards introduced in row major order and no element equal to more than two of its immediate leftward or upward or right-upward antidiagonal neighbors
0
52, 115975, 1366230232, 51074630353994, 4585512913250157737, 838156242834826375910795
OFFSET
1,1
COMMENTS
Row 5 of A208466
EXAMPLE
Some solutions for n=4
..0..1..0..0....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..0....0..1..0..0....0..1..0..0....0..1..1..0....0..1..0..0
..0..0..0..0....0..1..0..0....2..0..1..0....0..0..0..0....0..0..1..0
..0..2..0..0....0..1..0..0....0..0..0..0....0..1..0..0....0..0..1..0
..0..0..1..0....0..0..1..0....0..1..0..0....0..1..0..0....0..0..0..0
CROSSREFS
Sequence in context: A208585 A208464 A211252 * A070908 A198980 A198721
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2012
STATUS
approved