Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222904
Number of nX6 0..3 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =14a(1) =403a(2) =18981a(3) =1346067a(4) =115414184a(5) =10615237672a(6) =997770825049
External references
- oeis: A222904