A203404 Number of (n+2)X7 binary arrays avoiding patterns 000 and 111 in rows and columns

14946, 225654, 2699464, 35345798, 446672706, 5723980832, 72950746702, 931753350314, 11890606324592, 151793100413822, 1937507658181110, 24731882582236020, 315690962210495354, 4029680331688907654

Offset

1,1

Comments

Column 5 of A203407

Links

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

Example

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

Crossrefs

Sequence in context: A031815 A365257 A235236 * A236352 A064968 A178929

Adjacent sequences: A203401 A203402 A203403 * A203405 A203406 A203407

Keyword

nonn

Author

R. H. Hardin Jan 01 2012

Status

approved