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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, 9, 33, 121, 1109, 21917, 638145, 19928333, 1044135195, 95057962687, 13578889854579 (list; graph; refs; listen; history; internal format)
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 * A147154 A147275 A140413

Adjacent sequences:  A147144 A147145 A147146 * A147148 A147149 A147150

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 18:41 EST 2012. Contains 206074 sequences.