A163721 Number of nX9 binary arrays with all 1s connected, a path of 1s from top row to bottom row, and no 1 having more than two 1s adjacent

45, 1059, 14839, 204461, 2938865

Offset

1,1

Links

Table of n, a(n) for n=1..5.

Crossrefs

Sequence in context: A162183 A162418 A010997 * A292209 A317895 A282929

Adjacent sequences: A163718 A163719 A163720 * A163722 A163723 A163724

Keyword

nonn

Author

R. H. Hardin Aug 03 2009

Status

approved