A222688 Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

8, 237, 7248, 288829, 12765040, 589802909, 27752564898, 1319414370191, 63167849881088, 3040537134742112, 146998128651407720, 7133080659964442596, 347227736612764543176, 16948792785655500564103, 829276538811229078591786

Offset

1,1

Comments

Column 6 of A222690

Links

R. H. Hardin, Table of n, a(n) for n = 1..84

Example

Some solutions for n=3
..0..0..1..1..1..0....0..0..0..0..1..1....0..0..0..0..0..0....0..1..1..1..2..2
..1..1..1..1..1..0....0..0..2..1..1..1....0..0..0..1..1..0....1..1..1..1..0..1
..1..1..1..1..1..2....0..2..0..1..1..1....0..0..1..1..1..1....1..1..1..1..1..1

Crossrefs

Sequence in context: A134504 A145418 A240431 * A254927 A221466 A334712

Adjacent sequences: A222685 A222686 A222687 * A222689 A222690 A222691

Keyword

nonn

Author

R. H. Hardin Feb 28 2013

Status

approved