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A220332 Equals two maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array 0
1, 114, 2788, 76627, 2065264, 59893608, 1653121774 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 5 of A220328

LINKS

Table of n, a(n) for n=1..7.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A230464 A200891 A240386 * A162675 A221293 A306194

Adjacent sequences:  A220329 A220330 A220331 * A220333 A220334 A220335

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 10 2012

STATUS

approved

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Last modified November 22 08:33 EST 2019. Contains 329389 sequences. (Running on oeis4.)