Number of degree 3 vertices in the n-Menger sponge graph.

A367701

Number of degree 3 vertices in the n-Menger sponge graph.

Terms

    a(0) =8a(1) =152a(2) =2744a(3) =49688a(4) =941624a(5) =18381464a(6) =363917240a(7) =7248334616a(8) =144725667128

External references