Number of (n+1)X7 0..6 arrays with every 2x2 subblock summing to 12.

A183669

Number of (n+1)X7 0..6 arrays with every 2x2 subblock summing to 12.

Terms

    a(0) =1577065a(1) =3791935a(2) =10914505a(3) =35840623a(4) =129866905

External references