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A147162 Number of n X n binary arrays with all ones connected only in a 1000-1101-0111 pattern in any orientation. 0
1, 1, 1, 17, 57, 317, 3151, 61021, 1767277, 57009275, 2869106215, 240681795661 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Maximal 8 X 8 example

.0.0.0.1.1.1.0.0

.0.0.0.1.0.1.1.0

.0.0.0.0.0.0.1.0

.0.0.0.0.1.1.0.0

.1.1.0.1.1.0.1.1

.1.0.0.1.0.0.0.1

.1.1.0.1.1.0.1.1

.0.1.1.0.0.1.1.0

CROSSREFS

Sequence in context: A146682 A146650 A147131 * A146690 A146437 A146783

Adjacent sequences:  A147159 A147160 A147161 * A147163 A147164 A147165

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified October 27 19:45 EDT 2021. Contains 348288 sequences. (Running on oeis4.)