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A163049
Number of nX5 binary arrays with all 1s connected, and all corners 1
0
1, 17, 293, 5331, 101950, 1988608, 39005563, 765978583, 15044778941, 295502003013, 5804078824664, 114000099400204, 2239117437370843, 43979313642748723, 863813545775995327, 16966473035357220851
OFFSET
1,2
CROSSREFS
Sequence in context: A041546 A186000 A222572 * A083453 A090437 A007805
KEYWORD
nonn
AUTHOR
R. H. Hardin Jul 20 2009
STATUS
approved