A163039 Number of nX4 binary arrays with all 1s connected and a path of 1s from left column to right column.

1, 41, 730, 9362, 104989, 1111283, 11457514, 116648336, 1180202569, 11903604235, 119872630650, 1206201901904, 12132446588769, 122008622244019, 1226843867304300, 12335770043909076, 124031577709569399

Offset: 1

Author

R. H. Hardin Jul 20 2009

Keywords

• nonn

Links

• R. H. Hardin, Table of n, a(n) for n=1..22