A223011 Number of nX7 0..1 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order

12, 295, 4429, 162547, 2836008, 113017313, 2073830655, 84865126029, 1595266533910, 66204383658230, 1261925960835143, 52826567491184026, 1016082699761522406, 42788248270150103401, 828287870638367904549

Offset

1,1

Comments

Column 7 of A223012

Links

R. H. Hardin, Table of n, a(n) for n = 1..85

Example

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

Crossrefs

Sequence in context: A220307 A361302 A361309 * A245915 A109867 A326437

Adjacent sequences: A223008 A223009 A223010 * A223012 A223013 A223014

Keyword

nonn

Author

R. H. Hardin Mar 11 2013

Status

approved