Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303423
Number of 4Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 4 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =8a(1) =128a(2) =1988a(3) =30897a(4) =480953a(5) =7486281a(6) =116517744a(7) =1813509273a(8) =28226012078a(9) =439318146284
External references
- oeis: A303423