A205751 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order

11143, 68692, 1320659, 14131118, 233316016, 2917623614, 45262306396, 599332178604, 8912114399864, 121869298507748, 1770968194811994, 24619794382545970, 353501675583395156, 4957479622063690252

Offset

1,1

Comments

Column 6 of A205753

Links

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

Example

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

Crossrefs

Sequence in context: A107650 A291705 A244660 * A205473 A250687 A342246

Adjacent sequences: A205748 A205749 A205750 * A205752 A205753 A205754

Keyword

nonn

Author

R. H. Hardin Jan 30 2012

Status

approved