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A203496 Number of 6Xn 0..2 arrays with row sums equal and column sums unequal to adjacent columns 0
3, 676, 171068, 56438584, 20726134056, 8496020082856 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 6 of A203491

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

CROSSREFS

Sequence in context: A165343 A278316 A266639 * A308323 A276455 A231604

Adjacent sequences:  A203493 A203494 A203495 * A203497 A203498 A203499

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 02 2012

STATUS

approved

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Last modified January 23 19:45 EST 2020. Contains 331175 sequences. (Running on oeis4.)