Number of nX5 0..3 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222744
Number of nX5 0..3 arrays with exactly floor(nX5/2) elements equal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =20a(1) =7546a(2) =6363724a(3) =5989744766
External references
- oeis: A222744