1/128 the number of (n+2)X5 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.

A185987

1/128 the number of (n+2)X5 binary arrays with each 3X3 subblock trace equal to some horizontal or vertical neighbor 3X3 subblock trace.

Terms

    a(0) =28a(1) =722a(2) =8948a(3) =126739a(4) =1739442a(5) =24122605a(6) =333538097a(7) =4615215875a(8) =63844594023a(9) =883270694055

External references