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A163053
Number of nX9 binary arrays with all 1s connected, and all corners 1
0
1, 577, 191285, 54271807, 15044778941, 4145512873039
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..6.
CROSSREFS
Sequence in context:
A221331
A163042
A069365
*
A097770
A252377
A252376
Adjacent sequences:
A163050
A163051
A163052
*
A163054
A163055
A163056
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jul 20 2009
STATUS
approved
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Last modified August 6 00:15 EDT 2024. Contains 374957 sequences. (Running on oeis4.)