id:A073091 - OEIS Search Results

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Number of ways to express n as (x^3+y^3+z^3)/(x+y+z) 1<=x<=y<=z<=n.

+0
1

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; listen)

	OFFSET	`1,11`
	PROGRAM	`(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: A000089 A051907 A093569 this_sequence A125250 A048113 A028961` `Adjacent sequences: A073088 A073089 A073090 this_sequence A073092 A073093 A073094`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 18 2002`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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