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A218425
Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX7 array
1
57, 11011, 1207525, 144597047, 17270172871, 2058493362799, 245489633250861, 29274579482710357, 3490981608801331021, 416298960473587173025, 49643559085814354624329, 5919983699927241114279393
OFFSET
1,1
COMMENTS
Column 7 of A218426
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..1..0..1..1....0..1..1..1..1..0..0....0..1..0..1..0..1..1
..0..0..0..1..1..1..0....0..1..1..1..1..1..0....0..1..0..0..1..1..1
..0..1..1..1..1..0..1....0..0..0..1..1..0..1....0..0..1..0..1..0..0
CROSSREFS
Sequence in context: A286442 A219077 A091749 * A094777 A218662 A331015
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 28 2012
STATUS
approved