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A180756
Half the number of nX7 binary arrays with each element equal to at least two neighbors
1
0, 8, 14, 207, 1874, 20205, 205020, 2141384, 22238670, 232041425, 2420128480, 25258683242, 263607333975, 2751296309311, 28715052573470, 299699771800630, 3127972672911502, 32646796609958085, 340736340129916559
OFFSET
1,2
COMMENTS
Column 7 of A180760
LINKS
CROSSREFS
Sequence in context: A177170 A275006 A219778 * A279708 A327875 A158967
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved