Number of (n+1)X6 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

A205750

Number of (n+1)X6 0..2 arrays with every 2X2 subblock having the same number of equal edges as its horizontal neighbors and a different number from its vertical neighbors, and new values 0..2 introduced in row major order.

Terms

    a(0) =2709a(1) =16986a(2) =240448a(3) =2244622a(4) =28155907a(5) =292986186a(6) =3496020388a(7) =37842800738a(8) =438825319336

External references