A181403 Total number of n-digit numbers requiring 7 positive cubes in their representation as sum of cubes.

1, 9, 63, 48

Offset: 1

Author

Martin Renner, Jan 28 2011

Keywords

• nonn
• more
• base

Comments

A181354(n) + A181376(n) + A181378(n) + A181380(n) + A181384(n) + A181401(n) + a(n) + A181405(n) + A171386(n) = A052268(n).

Links

• Eric Weisstein's World of Mathematics, Waring's Problem.

Crossrefs

Cf. A018890.

Formula

a(n) = A181402(n) - A181402(n-1).