Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222498
Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =8a(1) =122a(2) =1758a(3) =43771a(4) =1466810a(5) =71467150a(6) =4383248774a(7) =279117296608
External references
- oeis: A222498