Number of nX6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.

A222647

Number of nX6 0..2 arrays with no more than floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Terms

    a(0) =14a(1) =124a(2) =1972a(3) =31487a(4) =640355a(5) =14332759a(6) =368332772a(7) =10043940772a(8) =284244110551

External references