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

1, 9, 63, 48

Offset

1,2

Comments

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

Links

Table of n, a(n) for n=1..4.

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

Formula

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

Crossrefs

Cf. A018890.

Sequence in context: A229701 A341627 A159235 * A292309 A337236 A285456

Adjacent sequences: A181400 A181401 A181402 * A181404 A181405 A181406

Keyword

nonn,more,base

Author

Martin Renner, Jan 28 2011

Status

approved