Number of n X n 0..1 arrays with no more than floor(n X n/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

A222352

Number of n X n 0..1 arrays with no more than floor(n X n/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order.

Terms

    a(0) =1a(1) =1a(2) =5a(3) =73a(4) =1054a(5) =67171a(6) =4355033a(7) =1211912419a(8) =345057233257

External references