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A218424 Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX6 array 1
31, 2849, 158429, 9539915, 572765605, 34328798853, 2058493362799, 123428176573409, 7400808508179025, 443756537313437079, 26607874601757021869, 1595422183998461122637, 95662355032495391763215 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A218426

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..44

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A173563 A190527 A106205 * A259866 A217913 A174584

Adjacent sequences:  A218421 A218422 A218423 * A218425 A218426 A218427

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 28 2012

STATUS

approved

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Last modified June 17 07:31 EDT 2019. Contains 324183 sequences. (Running on oeis4.)