Number of (n+1)X3 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

A185926

Number of (n+1)X3 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace.

Terms

    a(0) =3392a(1) =130944a(2) =5113920a(3) =199644672a(4) =7794298816a(5) =304295071104

External references