A180755 Half the number of nX6 binary arrays with each element equal to at least two neighbors

0, 5, 7, 70, 410, 2986, 20205, 141313, 986376, 6925085, 48597819, 341209889, 2395331138, 16816717757, 118065063145, 828920971395, 5819799452720, 40860590480721, 286880736650848, 2014179680712444, 14141486042579555

Offset

1,2

Comments

Column 6 of A180760

Links

R. H. Hardin, Table of n, a(n) for n=1..199

Crossrefs

Sequence in context: A260829 A355970 A130189 * A073624 A025546 A308397

Adjacent sequences: A180752 A180753 A180754 * A180756 A180757 A180758

Keyword

nonn

Author

R. H. Hardin Sep 20 2010

Status

approved