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A202413 Number of (n+2)X(n+2) binary arrays with no more than one of any consecutive three bits set in any row or column 0
34, 356, 7209, 259651, 17439289, 2189182446, 507851160543, 218307429573974, 174227993366338844, 257822582804511694491, 707314015481240313274351, 3598905005467537466992859137, 33959215254291376990195684315384 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A202421

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A301954 A244881 A296833 * A168122 A271756 A228995

Adjacent sequences:  A202410 A202411 A202412 * A202414 A202415 A202416

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 19 2011

STATUS

approved

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Last modified February 17 12:32 EST 2020. Contains 331996 sequences. (Running on oeis4.)