Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302743
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =1652a(3) =21625a(4) =285613a(5) =3778433a(6) =50012515a(7) =662080634a(8) =8765152857a(9) =116041489300
External references
- oeis: A302743