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A147147 Number of n X n binary arrays with all ones connected only in a 1000-1100-0111-0010 pattern in any orientation. +0
1
1, 1, 1, 9, 33, 121, 1109, 21917, 638145, 19928333, 1044135195, 95057962687, 13578889854579 (list; graph; listen)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.0.1.0.1.1.0.0

.0.1.1.1.0.1.1.0

.1.1.0.0.0.0.1.1

.1.0.0.0.0.0.1.0

.0.1.0.0.0.0.0.1

.1.1.0.0.0.0.1.1

.0.1.1.0.1.1.1.0

.0.0.1.1.0.1.0.0

CROSSREFS

Sequence in context: A147155 A146232 A146180 this_sequence A147154 A147275 A140413

Adjacent sequences: A147144 A147145 A147146 this_sequence A147148 A147149 A147150

KEYWORD

nonn

AUTHOR

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

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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