Number of unit square faces (or surface area) of a stage-n Menger sponge.

A332705

Number of unit square faces (or surface area) of a stage-n Menger sponge.

Terms

    a(0) =6a(1) =72a(2) =1056a(3) =18048a(4) =336384a(5) =6531072a(6) =129048576a(7) =2568388608a(8) =51267108864

External references