A203043 Number of (n+3)X6 binary arrays with no more than one of any consecutive four bits set in any row or column

2005, 10195, 53754, 283870, 1467519, 7590348, 39456394, 205613584, 1069115223, 5552489273, 28846955673, 149982816083, 779799085894, 4053228054749, 21065331609232, 109491402138501, 569147165923973, 2958438464766510

Offset

1,1

Comments

Column 3 of A203048

Links

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

Example

Some solutions for n=3
..0..0..0..0..0..0....0..1..0..0..0..0....1..0..0..0..0..0....0..0..0..1..0..0
..0..0..0..0..0..0....0..0..0..0..1..0....0..0..0..0..0..1....0..1..0..0..0..0
..0..1..0..0..0..1....1..0..0..0..0..0....0..0..0..1..0..0....0..0..0..0..0..1
..0..0..0..0..0..0....0..0..1..0..0..0....0..0..0..0..1..0....0..0..0..0..0..0
..0..0..0..1..0..0....0..1..0..0..0..0....0..1..0..0..0..0....0..0..1..0..0..0
..1..0..0..0..0..0....0..0..0..0..1..0....1..0..0..0..0..1....0..0..0..0..0..0

Crossrefs

Sequence in context: A127351 A162241 A162243 * A189353 A162244 A295701

Adjacent sequences: A203040 A203041 A203042 * A203044 A203045 A203046

Keyword

nonn

Author

R. H. Hardin Dec 27 2011

Status

approved