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A202718 Number of (n+3)X(n+3) binary arrays with no more than three of any consecutive four bits set in any row or column 0
41503, 14089479, 16878985502, 71167367871410, 1055277790676846818, 55803648810496645652897, 10454480376363017611676717695 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A202726

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

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

CROSSREFS

Sequence in context: A236615 A202726 A202719 * A165114 A002879 A207049

Adjacent sequences:  A202715 A202716 A202717 * A202719 A202720 A202721

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 23 2011

STATUS

approved

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Last modified February 22 18:05 EST 2019. Contains 320400 sequences. (Running on oeis4.)