A163026 Number of n X 9 binary arrays with all 1's connected and a path of 1's from left column to lower right corner.

1, 2378, 1374808, 490753552, 148869588338, 42561759311020, 11872771016213506

Offset

1,2

Links

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

Crossrefs

Sequence in context: A165948 A183599 A226000 * A069300 A255800 A252469

Adjacent sequences: A163023 A163024 A163025 * A163027 A163028 A163029

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Status

approved