login
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
OFFSET
1,4
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2008
STATUS
approved