Number of (5+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order.

A239539

Number of (5+1)X(n+1) 0..2 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..2 introduced in row major order.

Terms

    a(0) =47a(1) =406a(2) =13254a(3) =293741a(4) =7199001a(5) =171712936a(6) =4125560328a(7) =98927618805

External references