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A147413 Number of n X n binary arrays with all ones connected only in a 1001-1111-0110 pattern in any orientation. 0
1, 1, 1, 9, 25, 81, 559, 6336, 95947, 1549728, 36536673, 1325100728, 67670472497, 4585160114565, 421563951431911 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
EXAMPLE
Maximal 8 X 8 example
.0.0.0.0.0.0.1.1
.0.1.1.0.0.1.1.0
.1.1.0.0.0.1.1.0
.1.1.0.0.0.0.1.1
.0.1.1.0.1.1.0.0
.1.0.0.1.0.1.1.0
.1.1.1.1.0.1.1.0
.0.1.1.0.1.1.0.0
CROSSREFS
Sequence in context: A110970 A322939 A141583 * A066137 A269662 A147428
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)