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

1,2

Links

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

Crossrefs

Sequence in context: A009761 A118448 A298459 * A060563 A200914 A221790

Adjacent sequences: A163036 A163037 A163038 * A163040 A163041 A163042

Keyword

nonn

Author

R. H. Hardin Jul 20 2009

Status

approved