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A198451 Number of 2nX10 0..2 arrays with values 0..2 introduced in row major order and each element unequal to exactly two horizontal and vertical neighbors 0
2763, 146187, 7302285, 396482929, 22496409154 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A198452

LINKS

Table of n, a(n) for n=1..5.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A014487 A260978 A043665 * A205288 A205896 A205418

Adjacent sequences:  A198448 A198449 A198450 * A198452 A198453 A198454

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 25 2011

STATUS

approved

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Last modified May 20 12:16 EDT 2022. Contains 353871 sequences. (Running on oeis4.)