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A203337 Number of nX7 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 0
1, 35483, 327579980, 1066362412766, 3356615719680977, 12521002071185162318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 7 of A203338

LINKS

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

EXAMPLE

Some solutions for n=4

..0..2..3..5..5..0..0....5..5..2..2..2..1..0....4..4..2..3..5..5..5

..5..5..3..5..5..2..2....5..5..3..0..5..5..1....5..5..1..3..5..1..5

..5..5..0..2..2..3..3....3..1..4..4..5..5..2....5..5..3..3..5..1..5

..2..3..3..3..3..3..3....3..3..4..4..2..2..2....1..4..4..4..5..5..5

CROSSREFS

Sequence in context: A300762 A250978 A282129 * A184002 A205741 A206673

Adjacent sequences:  A203334 A203335 A203336 * A203338 A203339 A203340

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 31 2011

STATUS

approved

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Last modified May 23 10:05 EDT 2022. Contains 353975 sequences. (Running on oeis4.)