A220459 - OEIS

A220459

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

16, 250, 3872, 58217, 864047, 12754438, 185951681, 2697113973, 39000959363, 562899069165

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OFFSET

1,1

COMMENTS

Column 5 of A220461

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=3

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

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

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

CROSSREFS

Sequence in context: A222383 A282312 A110394 * A160446 A317894 A228982

Adjacent sequences: A220456 A220457 A220458 * A220460 A220461 A220462

KEYWORD

nonn

AUTHOR

R. H. Hardin Dec 15 2012

STATUS

approved