Half the number of 7 X n binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.

A069400

Half the number of 7 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) =1219a(2) =587031a(3) =182702967a(4) =44515781333

External references