A231512 Number of nX5 0..1 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors

12, 90, 1537, 19435, 256846, 3691558, 51741521, 714951561, 9949033842, 138737920339, 1931343076685, 26879498046829, 374243628441164, 5210606515159014, 72541379203035830, 1009921716421506923

Offset

1,1

Comments

Column 5 of A231515

Links

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

Example

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

Crossrefs

Sequence in context: A273099 A249979 A374424 * A250344 A135173 A173223

Adjacent sequences: A231509 A231510 A231511 * A231513 A231514 A231515

Keyword

nonn

Author

R. H. Hardin, Nov 09 2013

Status

approved