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A163050
Number of nX6 binary arrays with all 1s connected, and all corners 1
0
1, 41, 1481, 53431, 1988608, 75185550, 2858390497, 108836266497, 4145512873039, 157910294056161, 6015134806184686
OFFSET
1,2
CROSSREFS
Sequence in context: A239251 A197527 A076462 * A305863 A180667 A281608
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 20 2009
STATUS
approved