Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222678
Number of nX7 0..3 arrays with no more than 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) =17a(1) =359a(2) =6463a(3) =687222a(4) =20997839a(5) =3254033272a(6) =169563633880
External references
- oeis: A222678