|
Search: id:A146185
|
|
|
| A146185 |
|
Number of n X n binary arrays symmetric about the diagonal and under 90 degree rotation with all ones connected only in a 110-111-100 pattern in any orientation. |
|
+0
1
|
|
| 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 17, 17, 43, 43, 197, 197, 1293, 1293, 11263, 11263, 110807, 110807, 1310257
(list; graph; listen)
|
|
|
OFFSET
|
1,11
|
|
|
EXAMPLE
|
Maximal 11 X 11 example
.0.0.0.0.1.0.1.0.0.0.0
.0.0.1.1.1.0.1.1.1.0.0
.0.1.0.1.1.0.1.1.0.1.0
.0.1.1.0.0.0.0.0.1.1.0
.1.1.1.0.0.0.0.0.1.1.1
.0.0.0.0.0.0.0.0.0.0.0
.1.1.1.0.0.0.0.0.1.1.1
.0.1.1.0.0.0.0.0.1.1.0
.0.1.0.1.1.0.1.1.0.1.0
.0.0.1.1.1.0.1.1.1.0.0
.0.0.0.0.1.0.1.0.0.0.0
|
|
CROSSREFS
|
Sequence in context: A146836 A146780 A146860 this_sequence A147399 A147195 A147045
Adjacent sequences: A146182 A146183 A146184 this_sequence A146186 A146187 A146188
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Ron Hardin (rhhardin(AT)att.net), Oct 27 2008
|
|
|
Search completed in 0.002 seconds
|
