Half the number of 9 X n binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.

A069402

Half the number of 9 X n binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.

Terms

    a(0) =1a(1) =8361a(2) =22372413a(3) =34777826197

External references