Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order.

A206236

Number of (n+1)X7 0..3 arrays with every 2X3 or 3X2 subblock having exactly two equal edges, and new values 0..3 introduced in row major order.

Terms

    a(0) =51066a(1) =170728a(2) =607008a(3) =9042600a(4) =118573968a(5) =1448239080a(6) =22535636736a(7) =303011941944

External references