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A240641 Number of nX6 0..3 arrays with no element equal to one or three horizontal or vertical neighbors, with new values 0..3 introduced in row major order 1
41, 10072, 2413198, 579476701, 139138607313, 33408897045776, 8021872340896987, 1926147852876420067, 462491172805951156774, 111049673372896355573468, 26664357370024596504291771, 6402431748862885892818595024 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A240642

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..31

EXAMPLE

Some solutions for n=2

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

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

CROSSREFS

Sequence in context: A282273 A208396 A240704 * A106203 A289416 A199255

Adjacent sequences:  A240638 A240639 A240640 * A240642 A240643 A240644

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 09 2014

STATUS

approved

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Last modified February 29 05:25 EST 2020. Contains 332353 sequences. (Running on oeis4.)