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A180757 Half the number of nX8 binary arrays with each element equal to at least two neighbors 1
0, 13, 31, 658, 8840, 141313, 2141384, 33329847, 514990479, 7988200496, 123822198215, 1920693558801, 29793765165720, 462205529321051, 7170401050696078, 111238701384104135, 1725707750909016718 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 8 of A180760
LINKS
R. H. Hardin, Table of n, a(n) for n=1..99
CROSSREFS
Sequence in context: A247837 A346022 A227172 * A214488 A247836 A159670
Adjacent sequences: A180754 A180755 A180756 * A180758 A180759 A180760
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 20 2010
STATUS
approved

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Last modified May 14 05:21 EDT 2024. Contains 372528 sequences. (Running on oeis4.)