Half the number of n X 5 binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.
A069405
Half the number of n X 5 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) =15a(1) =285a(2) =4541a(3) =66579a(4) =944157a(5) =13182673a(6) =182702967a(7) =2522968803a(8) =34777826197a(9) =478971480223
External references
- oeis: A069405