A231514 Number of nX7 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors

37, 569, 35872, 1275558, 51741521, 2438335793, 108221463798, 4680280632866, 205954365382497, 9095707696345723, 399901789263538844, 17578048672509907449, 773488661693232038212, 34032714559263088619582

Offset

1,1

Comments

Column 7 of A231515

Links

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

Example

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

Crossrefs

Sequence in context: A219141 A220938 A221292 * A156226 A217501 A133998

Adjacent sequences: A231511 A231512 A231513 * A231515 A231516 A231517

Keyword

nonn

Author

R. H. Hardin, Nov 09 2013

Status

approved