Number of 5Xn 0..2 arrays with exactly floor(5Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A223108
Number of 5Xn 0..2 arrays with exactly floor(5Xn/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =0a(1) =1440a(2) =255216a(3) =45578462a(4) =5423134897
External references
- oeis: A223108