A220583 - OEIS

A220583

Equals one maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly one of their horizontal and antidiagonal neighbors in a random 0..1 5Xn array

1, 512, 1487, 205323, 3162375, 106841503, 2449921734, 65126683335

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 5 of A220579

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

..1..0..0....1..0..1....1..0..1....1..0..1....1..0..1....0..0..0....0..0..0

..0..0..1....1..1..1....1..1..0....1..0..0....1..1..0....0..0..0....0..0..0

..1..0..0....1..0..0....0..0..1....0..1..0....0..0..0....0..0..1....0..0..0

..0..0..1....0..0..1....1..0..1....0..0..1....0..1..1....1..0..0....0..0..0

..1..1..1....1..1..1....1..0..0....1..0..0....1..1..0....0..0..0....0..1..1

CROSSREFS

Sequence in context: A224651 A224644 A258726 * A195092 A235192 A203451

Adjacent sequences: A220580 A220581 A220582 * A220584 A220585 A220586

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 16 2012

STATUS

approved