A202720 Number of (n+3)X5 binary arrays with no more than three of any consecutive four bits set in any row or column

556481, 14089479, 355151781, 8918220179, 223234807263, 5600930157675, 140489794603235, 3523493349159927, 88367125801501055, 2216306606578269761, 55585876235174035351, 1394112183646634702857, 34964807560646012250609

Offset

1,1

Comments

Column 2 of A202726

Links

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

Example

Some solutions for n=2
..1..1..0..0..1....0..0..1..0..1....0..0..0..0..0....0..0..0..1..0
..0..1..0..1..0....1..1..0..0..1....0..1..0..0..1....0..1..1..1..0
..1..0..1..0..1....1..1..0..1..1....1..1..0..0..0....0..1..1..0..0
..1..0..0..0..0....0..0..1..1..0....0..1..0..0..1....0..1..0..0..0
..0..1..0..1..1....1..1..1..0..1....1..0..0..0..1....0..0..1..0..1

Crossrefs

Sequence in context: A196733 A178554 A272133 * A235969 A203659 A184475

Adjacent sequences: A202717 A202718 A202719 * A202721 A202722 A202723

Keyword

nonn

Author

R. H. Hardin Dec 23 2011

Status

approved