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A147067 Number of n X n binary arrays with all ones connected only in a 10000-11111-00001 pattern in any orientation. 0
1, 1, 1, 1, 13, 65, 297, 2247, 24427, 296303, 6915839, 203810183, 7383199843 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..13.

EXAMPLE

Maximal 8 X 8 example

.1.1.0.1.0.0.0.0

.0.1.0.1.1.1.1.1

.0.1.0.0.0.0.0.1

.0.1.0.0.0.1.1.0

.0.1.1.0.0.0.1.0

.0.0.0.0.1.0.1.0

.1.1.1.1.1.0.1.0

.1.0.0.0.0.0.1.1

CROSSREFS

Sequence in context: A022705 A153793 A067160 * A147075 A268777 A109727

Adjacent sequences:  A147064 A147065 A147066 * A147068 A147069 A147070

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 04 2008

STATUS

approved

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Last modified October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)