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A146650 Number of n X n binary arrays with all ones connected only in a 1100-0100-1111 pattern in any orientation. 0
1, 1, 1, 17, 57, 265, 2569, 62981, 1534149, 39874393, 1805421661, 154427138595, 18701005144079 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.1.1.1.1.0.1.0.1

.0.1.0.0.0.1.1.1

.1.1.0.0.0.0.0.1

.0.0.0.0.0.0.0.1

.0.0.0.0.0.0.0.0

.1.1.1.1.0.1.1.0

.0.1.0.0.0.1.0.0

.1.1.0.1.1.1.1.0

CROSSREFS

Sequence in context: A117390 A141841 A146682 * A147131 A147162 A146690

Adjacent sequences:  A146647 A146648 A146649 * A146651 A146652 A146653

KEYWORD

nonn

AUTHOR

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

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Last modified February 14 23:53 EST 2012. Contains 205689 sequences.