Number of nX5 0..3 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222791
Number of nX5 0..3 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =4a(1) =62a(2) =888a(3) =77978a(4) =1615706a(5) =163288090a(6) =3723507945a(7) =374218329866
External references
- oeis: A222791