Number of (n+1) X 2 0..2 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

A186133

Number of (n+1) X 2 0..2 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.

Terms

    a(0) =81a(1) =558a(2) =3888a(3) =27000a(4) =187704a(5) =1304424a(6) =9066168a(7) =63009576a(8) =437922936a(9) =3043586664a(10) =21153140280a(11) =147015651240

External references