login
A147011
Number of n X n binary arrays with all ones connected only in a 01000-11111-00010 pattern in any orientation.
0
1, 1, 1, 1, 13, 57, 273, 2363, 27689, 439785, 10940975, 360992565, 16603747977, 1090432526531
OFFSET
1,5
EXAMPLE
Maximal 8 X 8 example
.0.1.0.0.1.0.0.0
.1.1.0.1.1.1.1.1
.0.1.0.0.0.0.1.0
.0.1.1.0.1.0.0.0
.0.1.0.1.1.1.1.1
.0.0.1.0.0.0.1.0
.0.1.1.1.1.1.0.0
.0.0.0.0.1.0.0.0
CROSSREFS
Sequence in context: A358303 A212405 A147384 * A147019 A230988 A183317
KEYWORD
nonn
AUTHOR
_R. H. Hardin_, Nov 04 2008
STATUS
approved