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A146232 Number of n X n binary arrays with all ones connected only in a 110-111-001 pattern in any orientation. 0
1, 1, 9, 33, 113, 1393, 59521, 1585365, 62771429, 6390256297, 1169289395909, 252401149719293, 93670173728309347 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
EXAMPLE
Maximal 8 X 8 example
.0.1.1.0.0.1.1.0
.1.1.1.0.0.0.1.1
.1.0.0.1.0.0.1.1
.0.1.1.1.0.1.0.0
.0.1.1.0.0.1.1.1
.1.0.0.1.1.0.1.1
.1.1.1.0.1.1.0.0
.0.1.1.0.1.1.0.0
CROSSREFS
Sequence in context: A147261 A197359 A147155 * A146180 A221447 A147147
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 19 10:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)