Number of 7Xn 0..3 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222800
Number of 7Xn 0..3 arrays with exactly floor(7Xn/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =0a(1) =11920a(2) =589134a(3) =80934417a(4) =3723507945a(5) =762956665320
External references
- oeis: A222800