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A205269 Number of (n+2)X6 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 1
82991, 3849194, 178174596, 8174802163, 376019663515, 17296548519787, 795473851332758, 36585763638080307, 1682672043825897571, 77390053482870899949, 3559353733427282231753, 163703208823534008529747 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A205273

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Sequence in context: A046381 A237330 A217127 * A234113 A237097 A206323

Adjacent sequences:  A205266 A205267 A205268 * A205270 A205271 A205272

KEYWORD

nonn

AUTHOR

R. H. Hardin Jan 24 2012

STATUS

approved

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Last modified December 1 22:12 EST 2021. Contains 349435 sequences. (Running on oeis4.)