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A203343 Number of nX5 0..4 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors 1
1, 425, 142167, 23912553, 3742207236, 643689050030, 112737045408576, 19611990609779478, 3420412211064805056, 598821942388221971705, 104926823302871150129636, 18385629169540586971804768 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A203346

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..109

EXAMPLE

Some solutions for n=5

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

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

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

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

..2..2..2..4..4....0..3..4..4..0....4..4..4..4..4....3..3..4..4..4

CROSSREFS

Sequence in context: A294714 A294712 A160098 * A207233 A207226 A207013

Adjacent sequences:  A203340 A203341 A203342 * A203344 A203345 A203346

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 31 2011

STATUS

approved

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Last modified April 14 12:11 EDT 2021. Contains 342949 sequences. (Running on oeis4.)