A205473 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order

11143, 405702, 15614579, 637115198, 26272023365, 1094476686239, 45724154665434, 1914758450334723, 80250258826348339, 3365536894872561413, 141181596884768969546, 5923561349136374628421, 248557182283520215199720

Offset

1,1

Comments

Column 6 of A205475

Links

R. H. Hardin, Table of n, a(n) for n = 1..178

Example

Some solutions for n=4
..0..0..0..1..2..1..2....0..0..0..0..0..0..0....0..0..0..0..0..0..0
..1..0..1..1..1..1..1....0..1..1..0..1..1..0....0..1..0..1..0..2..2
..1..0..1..2..1..0..1....0..0..0..0..0..0..0....0..1..0..0..0..2..0
..0..0..1..1..1..0..1....1..0..1..0..1..1..0....0..1..0..1..0..2..2
..1..1..1..2..1..0..0....0..0..0..0..0..0..0....1..1..1..1..0..2..0

Crossrefs

Sequence in context: A291705 A244660 A205751 * A250687 A342246 A001727

Adjacent sequences: A205470 A205471 A205472 * A205474 A205475 A205476

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved