Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2 X 4.

A112389

Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2 X 4.

Terms

    a(0) =1a(1) =24a(2) =1560a(3) =119580a(4) =10166403a(5) =915103765a(6) =85747377755

External references