A222774 Number of 6Xn 0..1 arrays with exactly floor(6Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

0, 175, 2242, 25772, 333978, 4479721, 62017670, 875957672, 12560888618, 182209987206, 2667426495648, 39336570372328, 583551389553584, 8699133677297779, 130203654030371640, 1955400385644628586

Offset

1,2

Comments

Row 6 of A222769

Links

R. H. Hardin, Table of n, a(n) for n = 1..36

Example

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

Crossrefs

Sequence in context: A187420 A186212 A355713 * A209710 A056935 A239429

Adjacent sequences: A222771 A222772 A222773 * A222775 A222776 A222777

Keyword

nonn

Author

R. H. Hardin Mar 05 2013

Status

approved