Number of cubes in Menger cube constructions by levels: Sum[20^(2^n), {n, 0, m}].
A130832
Number of cubes in Menger cube constructions by levels: Sum[20^(2^n), {n, 0, m}].
Terms
- a(0) =20a(1) =420a(2) =160420a(3) =25600160420
External references
- oeis: A130832