A205268 Number of (n+2)X5 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..1 introduced in row major order

11553, 288483, 7191926, 178174596, 4422079769, 109752541538, 2723625483808, 67591734118641, 1677414489611378, 41628055193741301, 1033075535275093844, 25637640330486282732, 636244446154359017064, 15789557597933547273027

Offset

1,1

Comments

Column 3 of A205273

Links

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

Example

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

Crossrefs

Sequence in context: A031862 A035914 A063064 * A063434 A205982 A066055

Adjacent sequences: A205265 A205266 A205267 * A205269 A205270 A205271

Keyword

nonn

Author

R. H. Hardin Jan 24 2012

Status

approved