Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222664
Number of nX6 0..3 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =8a(1) =103a(2) =2686a(3) =62406a(4) =2169240a(5) =85836756a(6) =4437593254a(7) =258544501925
External references
- oeis: A222664