A163691 Number of n X 8 binary arrays with all 1's connected, a path of 1's from upper left corner to lower right corner, and no 1 having more than two 1's adjacent.

1, 52, 807, 8790, 81280, 650001, 5091285

Offset

1,2

Links

Table of n, a(n) for n=1..7.

Crossrefs

Sequence in context: A339142 A264309 A160344 * A007247 A232312 A278001

Adjacent sequences: A163688 A163689 A163690 * A163692 A163693 A163694

Keyword

nonn

Author

R. H. Hardin, Aug 03 2009

Status

approved