Number of (n+1)X7 0..2 arrays with each element of every 2X2 subblock being the sum mod 3 of two others.

A183833

Number of (n+1)X7 0..2 arrays with each element of every 2X2 subblock being the sum mod 3 of two others.

Terms

    a(0) =39367a(1) =1598975a(2) =63219545a(3) =2720843743a(4) =113949885751

External references