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A199652 Number of nX5 0..2 arrays with values 0..2 introduced in row major order and each element equal to no more than two horizontal and vertical neighbors 1
41, 8037, 1357484, 230693158, 39209840355, 6663970316970, 1132589231853096, 192491652879392515, 32715334199617664326, 5560205218374521415185, 944996676143473092852595, 160608949278619262130353064 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A199655

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A160477 A221344 A325481 * A241111 A198713 A208319

Adjacent sequences:  A199649 A199650 A199651 * A199653 A199654 A199655

KEYWORD

nonn

AUTHOR

R. H. Hardin Nov 08 2011

STATUS

approved

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Last modified May 24 18:08 EDT 2022. Contains 354043 sequences. (Running on oeis4.)