Half the number of 3 X n binary arrays with a path of adjacent 1's and a path of adjacent 0's from top row to bottom row.
A069396
Half the number of 3 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) =25a(2) =377a(3) =4541a(4) =48329a(5) =476389a(6) =4461489a(7) =40306317a(8) =354713977a(9) =3060942133a(10) =26020259201a(11) =218626028573
External references
- oeis: A069396