Number of (n+1)X5 0..2 arrays containing all values 0..2 with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.

A210048

Number of (n+1)X5 0..2 arrays containing all values 0..2 with every 2X2 subblock having two distinct values, and new values 0..2 introduced in row major order.

Terms

    a(0) =475a(1) =12377a(2) =332891a(3) =8989701a(4) =240224641a(5) =6356262535a(6) =166752843125

External references