Number of (n+1)X4 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.

A210315

Number of (n+1)X4 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.

Terms

    a(0) =995a(1) =279526a(2) =58464712a(3) =11186190570

External references