A232004 Number of (7+1) X (n+1) 0..1 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to one.

1156, 101808, 4826809, 222394359, 8404672329, 383555570610, 17330552348004, 767585511808030, 33538207730822404, 1482388187715688124, 65664425364968903236, 2902742872892414444428, 128153575342921901776129, 5661331709471959688450156, 250185972189128753195057025

Offset

1,1

Links

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

Example

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

Crossrefs

Row 7 of A231997.

Sequence in context: A062915 A225938 A221813 * A034979 A189279 A264271

Adjacent sequences: A232001 A232002 A232003 * A232005 A232006 A232007

Keyword

nonn,changed

Author

R. H. Hardin, Nov 16 2013

Status

approved