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A198484 Number of 2nX6 0..3 arrays with values 0..3 introduced in row major order and each element equal to an even number of horizontal and vertical neighbors 1
10072, 579476701, 33408897045776, 1926147852876420067, 111049673372896355573468, 6402431748862885892818595024, 369124294364655578368535852718606 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A198485

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=3

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

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

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

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

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

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

CROSSREFS

Sequence in context: A187113 A023356 A292176 * A252200 A234773 A203865

Adjacent sequences:  A198481 A198482 A198483 * A198485 A198486 A198487

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 25 2011

STATUS

approved

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Last modified September 23 19:34 EDT 2021. Contains 347617 sequences. (Running on oeis4.)