

A003074


Number of different numbers <= n that are sums of 3 positive cubes.


0



0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14
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OFFSET

1,10


REFERENCES

H. Davenport, Sums of three positive cubes, J. London Math. Soc., 25 (1950), 339343. Coll. Works III p. 999.


LINKS

Table of n, a(n) for n=1..93.


MATHEMATICA

Accumulate[Table[If[Length[Select[PowersRepresentations[n, 3, 3], FreeQ[ #, 0]&]]>0, 1, 0], {n, 100}]] (* Harvey P. Dale, Sep 14 2020 *)


CROSSREFS

Cf. A003072.
Sequence in context: A054896 A052364 A052374 * A279222 A276798 A067100
Adjacent sequences: A003071 A003072 A003073 * A003075 A003076 A003077


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, David W. Wilson


STATUS

approved



