A069298 Number of n X 7 binary arrays with a path of adjacent 1's from upper left corner to anywhere in right hand column.

408, 85776, 14226710, 2112274668, 295545642334, 39959490285500, 5292500285670344, 692128295029569712, 89798972465698310480, 11592951743199556912876, 1491945234246315077238684, 191623912389094140723074272

Offset: 2

Author

R. H. Hardin, Mar 14 2002

Keywords

• nonn

Crossrefs

Cf. n X 2 A002450, n X 3 A069294, n X 4 A069295, n X 5 A069296, n X 6 A069297, n X 8 A069299, n X 9 A069300, n X 10 A069301, n X 11 A069302, n X 12 A069303, n X 13 A069304, n X 14 A069305, read by rows A069306-A069320.

Extensions

a(7)-a(13) from Sean A. Irvine, Apr 25 2024