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A219077 Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..1 nX7 array 1
57, 9367, 1023441, 113959413, 12998933707, 1473655240387, 167024618548071, 18939932662217929, 2147519964457580465, 243494396494378271955, 27608646901560676777421, 3130407281278669890215213 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A219078

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..119

EXAMPLE

Some solutions for n=3

..0..1..1..1..1..0..0....0..1..1..1..0..0..0....0..0..1..0..1..0..0

..0..1..0..0..0..1..0....0..1..1..1..0..1..1....0..1..1..0..0..1..1

..0..1..1..0..1..1..0....0..1..1..1..1..0..0....0..1..0..0..1..0..1

CROSSREFS

Sequence in context: A127455 A263669 A286442 * A091749 A218425 A094777

Adjacent sequences: A219074 A219075 A219076 * A219078 A219079 A219080

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 11 2012

STATUS

approved

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Last modified March 24 14:39 EDT 2023. Contains 361479 sequences. (Running on oeis4.)