A163692 Number of nX9 binary arrays with all 1s connected, a path of 1s from upper left corner to lower right corner, and no 1 having more than two 1s adjacent

1, 85, 1732, 24449, 302869, 3195383

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Crossrefs

Sequence in context: A008360 A212474 A020310 * A221339 A262062 A220736

Adjacent sequences: A163689 A163690 A163691 * A163693 A163694 A163695

Keyword

nonn

Author

R. H. Hardin Aug 03 2009

Status

approved