Number of 4Xn 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.

A275092

Number of 4Xn 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) =14a(1) =486a(2) =1024a(3) =3088a(4) =12816a(5) =53132a(6) =232156a(7) =984288a(8) =4304608a(9) =18686420a(10) =81545856a(11) =355534620a(12) =1548803468a(13) =6754327372a(14) =29407955624a(15) =128203071808a(16) =558360538308

External references