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A219084
Hilltop maps: number of 7Xn binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 7Xn array
1
1, 7361, 1019123, 99118753, 11660290321, 1410242020653, 167024618548071, 19746897662050241, 2339794277074504521, 277259160805907947953, 32846897167510082525531, 3891392293661362699294561
OFFSET
1,2
COMMENTS
Row 7 of A219078
LINKS
EXAMPLE
Some solutions for n=3
..0..0..1....0..0..0....0..0..0....0..0..1....0..0..0....0..0..1....0..0..1
..0..1..1....1..1..1....1..1..0....0..1..1....1..1..1....0..1..0....0..1..0
..0..0..0....0..1..0....0..0..1....0..1..0....0..0..1....1..0..1....0..1..1
..0..1..1....0..1..0....0..1..0....0..1..1....0..0..0....0..0..0....0..0..1
..1..0..0....1..1..0....1..1..0....1..1..1....1..1..1....0..1..1....0..1..1
..0..1..0....1..1..1....1..1..1....1..0..1....0..1..1....1..1..1....0..0..1
..1..0..0....0..0..1....0..0..0....1..1..1....0..0..1....1..0..0....1..0..1
CROSSREFS
Sequence in context: A204507 A295002 A235951 * A284925 A128478 A257498
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 11 2012
STATUS
approved