A202434 - OEIS

A202434

Number of (n+2) X 9 binary arrays avoiding patterns 000 and 001 in rows, columns and nw-to-se diagonals.

196350, 6056600, 148654000, 3947786700, 102007509450, 2660934612820, 69184636563900, 1800845007153280, 46856971357225920, 1219354912423535360, 31729710858162634460, 825674511939159226300, 21485693897343299644020

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 7 of A202435.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A202435.

Sequence in context: A234389 A234393 A234394 * A179253 A008408 A305920

Adjacent sequences: A202431 A202432 A202433 * A202435 A202436 A202437

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved