A220536 Equals one maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal, diagonal and antidiagonal neighbors in a random 0..1 nX5 array

16, 55, 2555, 42066, 725639, 12862187, 225799586, 3950441437, 69147314008

Offset

1,1

Comments

Column 5 of A220537

Links

Table of n, a(n) for n=1..9.

Example

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

Crossrefs

Sequence in context: A188701 A297341 A228757 * A291671 A029719 A347253

Adjacent sequences: A220533 A220534 A220535 * A220537 A220538 A220539

Keyword

nonn

Author

R. H. Hardin Dec 15 2012

Status

approved