A147178 - OEIS

A147178

Number of n X n binary arrays with all ones connected only in a 1000-1111-0101 pattern in any orientation.

1, 1, 1, 17, 53, 329, 3195, 60697, 1822001, 62512113, 3196151109, 269695770307, 35398633644551

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

OFFSET

1,4

LINKS

EXAMPLE

Maximal 8 X 8 example

.0.1.0.1.0.0.0.0

.1.1.1.1.0.0.0.0

.1.0.0.0.0.0.0.0

.0.1.1.0.0.0.0.0

.1.1.0.1.1.0.1.1

.0.1.0.1.0.0.1.0

.1.1.0.1.1.0.1.1

.0.0.1.1.0.1.1.0

CROSSREFS

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved