Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222499
Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =10a(1) =196a(2) =3964a(3) =524135a(4) =15602065a(5) =2414051256a(6) =126014950356
External references
- oeis: A222499