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A203490 Number of nX7 0..2 arrays with row sums equal and column sums unequal to adjacent columns 0
192, 134412, 59683122, 24148894412, 9532999874792 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A203491

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A146554 A183701 A208795 * A008698 A282541 A202930

Adjacent sequences:  A203487 A203488 A203489 * A203491 A203492 A203493

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 02 2012

STATUS

approved

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Last modified August 17 16:54 EDT 2019. Contains 326059 sequences. (Running on oeis4.)