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A203336 Number of nX6 0..5 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 0
1, 5545, 12872510, 12492984999, 11409771585523, 11867803667695158, 12521002071185162318 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A203338

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A255100 A031795 A180267 * A045104 A043512 A167281

Adjacent sequences:  A203333 A203334 A203335 * A203337 A203338 A203339

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 31 2011

STATUS

approved

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Last modified April 16 18:53 EDT 2021. Contains 343050 sequences. (Running on oeis4.)