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A202399 Number of (n+2)X3 binary arrays avoiding patterns 000 and 010 in rows and columns 2
126, 441, 1785, 7225, 27880, 107584, 422136, 1656369, 6459453, 25190361, 98462742, 384865924, 1503033070, 5869858225, 22931405805, 89584680249, 349930588752, 1366878986496, 5339482693488, 20857790423089, 81475946359561 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 1 of A202406

LINKS

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

FORMULA

Empirical: a(n) = 2*a(n-1) -a(n-2) +18*a(n-3) +44*a(n-4) +38*a(n-5) +80*a(n-6) -80*a(n-8) -38*a(n-9) -44*a(n-10) -18*a(n-11) +a(n-12) -2*a(n-13) +a(n-14)

EXAMPLE

Some solutions for n=5

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A267556 A268119 A202406 * A201467 A222341 A241270

Adjacent sequences:  A202396 A202397 A202398 * A202400 A202401 A202402

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved

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Last modified May 26 13:05 EDT 2019. Contains 323586 sequences. (Running on oeis4.)