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A073091 Number of ways to express n as (x^3+y^3+z^3)/(x+y+z) 1<=x<=y<=z<=n. 0
1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 2, 0, 0, 0, 0, 2, 1, 1, 1, 0, 0, 0, 0, 1, 2, 0, 1, 0, 0, 0, 2, 0, 1, 2, 0, 1, 0, 1, 0, 2, 0, 0, 1, 2, 1, 1, 0, 0, 3, 0, 2, 0, 0, 1, 0, 0, 2, 0, 0, 1, 0, 0, 0, 3, 0, 1, 2, 1, 2, 0, 1, 1, 0, 0, 0, 3, 0, 0, 2, 0, 2, 1, 1, 0, 2, 2, 0, 0, 1, 1, 0, 0, 0, 2, 0, 1, 0, 0, 3, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,11

LINKS

Table of n, a(n) for n=1..100.

PROG

(PARI) a(n)=sum(x=1, n, sum(y=1, x, sum(z=1, y, if((x^3+y^3+z^3)/(x+y+z)-n, 0, 1))))

CROSSREFS

Sequence in context: A051907 A178176 A093569 * A125250 A048113 A028961

Adjacent sequences:  A073088 A073089 A073090 * A073092 A073093 A073094

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Aug 18 2002

STATUS

approved

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Last modified June 16 16:09 EDT 2021. Contains 345063 sequences. (Running on oeis4.)