Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A223131
Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =122a(1) =47968a(2) =18539512a(3) =7157970340
External references
- oeis: A223131