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A147497
Number of n X n binary arrays with all ones connected only in a 1110-0110-0111 pattern in any orientation.
0
1, 1, 1, 9, 25, 57, 501, 8327, 120657, 1392679, 36251459, 1768772831, 102759395829, 6127996773779, 561420488133019
OFFSET
1,4
EXAMPLE
Maximal 8 X 8 example
.0.0.1.0.0.0.0.0
.1.1.1.0.0.1.0.0
.1.1.1.0.0.1.1.1
.1.0.0.0.0.1.1.1
.0.0.0.0.0.0.0.1
.1.1.1.0.1.1.1.0
.0.1.1.0.0.1.1.0
.0.1.1.1.0.1.1.1
CROSSREFS
Sequence in context: A147338 A147325 A147368 * A147353 A049740 A147405
KEYWORD
nonn
AUTHOR
STATUS
approved