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A202888 Number of nX7 0..2 arrays with every nonzero element less than or equal to some horizontal or vertical neighbor 1
292, 701275, 922352267, 1137589582096, 1452080571954205, 1855037301620277541, 2365289879500027706428, 3016217753359820252116493, 3846628606342304091797101743, 4905606162973199116333144693744 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A202889

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..0..0..0..1..1..0..2....0..1..1..2..1..1..0....0..0..2..2..0..2..2

..0..1..1..0..1..2..2....0..0..0..2..0..1..0....0..1..2..2..0..1..2

CROSSREFS

Sequence in context: A098249 A190925 A232280 * A217181 A155140 A248210

Adjacent sequences: A202885 A202886 A202887 * A202889 A202890 A202891

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 25 2011

STATUS

approved

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Last modified December 8 21:28 EST 2022. Contains 358698 sequences. (Running on oeis4.)