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A218180 Number of nX7 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..3 nX7 array 0
602, 172038, 70125438, 20223079322, 6885852440176, 2257342895377582 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A218181

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=3

..0..0..0..0..0..0..2....0..0..0..1..1..3..1....0..0..0..0..0..3..3

..0..0..0..0..0..3..2....0..0..0..1..1..1..1....0..0..0..0..2..1..0

..0..0..0..0..3..2..2....0..0..0..3..1..1..1....0..0..0..0..0..0..0

CROSSREFS

Sequence in context: A281561 A184193 A218650 * A218521 A145331 A252957

Adjacent sequences:  A218177 A218178 A218179 * A218181 A218182 A218183

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 22 2012

STATUS

approved

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Last modified October 16 13:48 EDT 2021. Contains 348042 sequences. (Running on oeis4.)