A231702 Number of (n+1)X(n+1) 0..1 arrays with no element having a strict majority of its horizontal, vertical and antidiagonal neighbors equal to one

5, 87, 2840, 332529, 115091431, 108702736653, 302778325808865, 2471353666263112035, 58118910922698278619927, 3968246179910884317349374115, 787645110600810210613646674667649

Offset

1,1

Comments

Diagonal of A231710

Links

Table of n, a(n) for n=1..11.

Example

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

Crossrefs

Sequence in context: A318219 A182963 A220617 * A069948 A316727 A216088

Adjacent sequences: A231699 A231700 A231701 * A231703 A231704 A231705

Keyword

nonn

Author

R. H. Hardin, Nov 12 2013

Status

approved