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A147444
Number of n X n binary arrays with all ones connected only in a 11000-01100-00110-00011 pattern in any orientation.
0
1, 1, 1, 1, 9, 33, 169, 1097, 10553, 189871, 4385605, 121876221, 4534799043
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.0.0.0.0.0.1.1.0
.0.0.0.0.1.1.0.1
.0.0.0.1.1.0.1.1
.0.0.1.1.0.1.1.0
.1.1.0.0.1.1.0.0
.0.1.1.0.1.0.0.0
.0.0.1.1.0.0.0.0
.0.0.0.1.1.0.0.0
CROSSREFS
Sequence in context: A097804 A146136 A264258 * A189179 A146445 A046997
KEYWORD
nonn
AUTHOR
STATUS
approved