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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, 1, 17, 57, 265, 2569, 62981, 1534149, 39874393, 1805421661, 154427138595, 18701005144079 (list; graph; listen)
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 this_sequence A147131 A147162 A146690

Adjacent sequences: A146647 A146648 A146649 this_sequence A146651 A146652 A146653

KEYWORD

nonn

AUTHOR

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

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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