Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock trace equal to some horizontal or vertical neighbor 2 X 2 subblock trace.

A185840

Number of (n+1) X 5 0..2 arrays with every 2 X 2 subblock trace equal to some horizontal or vertical neighbor 2 X 2 subblock trace.

Terms

    a(0) =3249a(1) =222003a(2) =10670517a(3) =560733777a(4) =29306445165

External references