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A181016 Number of nX(n+5) binary matrices with rows and columns each in strictly increasing order as binary numbers and every 0 adjacent to a 1 and every 1 adjacent to a 0 0
0, 0, 0, 0, 0, 0, 38, 17807, 10896780, 9903117503, 18595256962681 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,7

COMMENTS

Superdiagonal 5 of A181011

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for 7X12

..0..1..1..1..1..1..1..1..1..1..1..1....0..1..1..1..1..1..1..1..1..1..1..1

..1..0..0..0..0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0..0..0..0..0

..1..0..0..1..1..1..1..1..1..1..1..1....1..0..0..1..1..1..1..1..1..1..1..1

..1..0..1..0..0..0..0..0..0..1..1..1....1..0..1..0..0..0..0..0..0..1..1..1

..1..0..1..0..0..1..1..1..1..0..0..0....1..0..1..0..0..1..1..1..1..0..0..0

..1..0..1..0..1..0..0..1..1..0..0..1....1..0..1..0..1..0..0..1..1..0..1..1

..1..0..1..0..1..0..1..0..1..0..1..0....1..0..1..0..1..0..1..0..1..0..0..1

CROSSREFS

Sequence in context: A145122 A134182 A110017 * A103479 A036174 A162458

Adjacent sequences:  A181013 A181014 A181015 * A181017 A181018 A181019

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 30 2010

STATUS

approved

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Last modified February 26 05:51 EST 2020. Contains 332277 sequences. (Running on oeis4.)