A181379 Total number of positive integers below 10^n requiring 4 positive cubes in their representation as sum of cubes.

1, 18, 242, 3343, 46683, 605489, 7221246, 80884939, 865304098

Offset

1,2

Comments

A061439(n) + A181375(n) + A181377(n) + a(n) + A181381(n) + A181400(n) + A181402(n) + A181404(n) + A130130(n) = A002283(n).

Links

Table of n, a(n) for n=1..9.

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

Crossrefs

Cf. A047703.

Sequence in context: A058126 A016247 A021064 * A080629 A053540 A080601

Adjacent sequences: A181376 A181377 A181378 * A181380 A181381 A181382

Keyword

nonn,more

Author

Martin Renner, Jan 28 2011

Extensions

a(5)-a(9) from Lars Blomberg, May 04 2011

Status

approved