Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222665
Number of nX7 0..3 arrays with exactly floor(nX7/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =10a(1) =446a(2) =7624a(3) =1058776a(4) =33001473a(5) =4437593254a(6) =187359500736
External references
- oeis: A222665