Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

A222478

Number of nX7 0..3 arrays with no more than floor(nX7/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.

Terms

    a(0) =17a(1) =139a(2) =2953a(3) =267772a(4) =4927416a(5) =544804117a(6) =17557049164

External references