Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

A221261

Number of 7Xn arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with no occupancy greater than 2.

Terms

    a(0) =0a(1) =4096a(2) =5822a(3) =1250753956a(4) =278802326676

External references