Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 5 X 5.

A123844

Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 5 X 5.

Terms

    a(0) =1a(1) =21a(2) =2365a(3) =315227a(4) =46118229a(5) =7130583024

External references