Number of nX4 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

A275086

Number of nX4 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.

Terms

    a(0) =6a(1) =96a(2) =508a(3) =3088a(4) =18440a(5) =111900a(6) =675600a(7) =4094240a(8) =24794560a(9) =150165020a(10) =909361668a(11) =5507667148a(12) =33356744732a(13) =202019640344

External references