Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum greater than 4.

A184490

Number of (n+1)X3 0..2 arrays with every 2X2 subblock sum greater than 4.

Terms

    a(0) =165a(1) =1983a(2) =20514a(3) =225739a(4) =2429833a(5) =26384550a(6) =285552669a(7) =3094453927a(8) =33517063586a(9) =363104617411

External references