A218241 - OEIS

A218241

Hilltop maps: number of nX7 binary arrays indicating the locations of corresponding elements not exceeded by any king-move neighbor in a random 0..3 nX7 array

113, 16257, 2096129, 268427265, 34357707105, 4397778640641, 562915602593793, 72053196595380225, 9222809103824465745, 1180519557076400997889

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OFFSET

1,1

COMMENTS

Column 7 of A218242

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A218195 A218371 A218637 * A152496 A176825 A187703

Adjacent sequences: A218238 A218239 A218240 * A218242 A218243 A218244

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 24 2012

STATUS

approved