Number of (n+1)X6 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

A205472

Number of (n+1)X6 0..2 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..2 introduced in row major order.

Terms

    a(0) =2709a(1) =61978a(2) =1504556a(3) =38649376a(4) =1002405121a(5) =26272023365a(6) =690109737187

External references