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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 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.)