A180756 - OEIS

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A180756

Half the number of nX7 binary arrays with each element equal to at least two neighbors

0, 8, 14, 207, 1874, 20205, 205020, 2141384, 22238670, 232041425, 2420128480, 25258683242, 263607333975, 2751296309311, 28715052573470, 299699771800630, 3127972672911502, 32646796609958085, 340736340129916559

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Column 7 of A180760

LINKS

R. H. Hardin, Table of n, a(n) for n=1..99

CROSSREFS

Sequence in context: A177170 A275006 A219778 * A279708 A327875 A158967

Adjacent sequences: A180753 A180754 A180755 * A180757 A180758 A180759

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 20 2010

STATUS

approved