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A147217 Number of n X n binary arrays with all ones connected only in a 1100-0111-0101 pattern in any orientation. 0
1, 1, 1, 17, 49, 237, 2821, 72631, 1759597, 48580733, 2684705291, 263944603423 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.1.0.1.0.0.0.0

.0.1.1.1.0.0.1.1

.1.1.0.0.0.0.1.0

.0.0.0.0.0.1.1.1

.0.0.0.0.0.1.0.0

.0.0.1.1.0.0.1.1

.1.1.1.0.1.1.1.0

.1.0.1.0.1.0.1.0

CROSSREFS

Sequence in context: A146799 A147201 A146775 * A147051 A146855 A146666

Adjacent sequences:  A147214 A147215 A147216 * A147218 A147219 A147220

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net), Nov 04 2008

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Last modified February 16 02:30 EST 2012. Contains 205860 sequences.