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A147413 Number of n X n binary arrays with all ones connected only in a 1001-1111-0110 pattern in any orientation. 0
1, 1, 1, 9, 25, 81, 559, 6336, 95947, 1549728, 36536673, 1325100728, 67670472497, 4585160114565, 421563951431911 (list; graph; refs; listen; history; internal format)
OFFSET

1,4

EXAMPLE

Maximal 8 X 8 example

.0.0.0.0.0.0.1.1

.0.1.1.0.0.1.1.0

.1.1.0.0.0.1.1.0

.1.1.0.0.0.0.1.1

.0.1.1.0.1.1.0.0

.1.0.0.1.0.1.1.0

.1.1.1.1.0.1.1.0

.0.1.1.0.1.1.0.0

CROSSREFS

Sequence in context: A192618 A110970 A141583 * A066137 A147428 A147436

Adjacent sequences:  A147410 A147411 A147412 * A147414 A147415 A147416

KEYWORD

nonn

AUTHOR

R. H. Hardin (rhhardin(AT)att.net)

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.