Number of nX4 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
A240632
Number of nX4 0..1 arrays with no element equal to exactly three horizontal or vertical neighbors, with new values 0..1 introduced in row major order.
Terms
- a(0) =8a(1) =81a(2) =637a(3) =4989a(4) =38634a(5) =299329a(6) =2319211a(7) =17971509a(8) =139264013a(9) =1079178635a(10) =8362717691a(11) =64803934520a(12) =502175240181
External references
- oeis: A240632