id:A066958 - OEIS Search Results

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Number of ordered primitive solutions (x,y,z) to xy + yz + zx = n with x,y,z >= 1.

+0
2

0, 0, 1, 0, 3, 0, 3, 3, 3, 0, 9, 0, 3, 6, 6, 3, 9, 0, 9, 6, 6, 0, 15, 6, 3, 12, 9, 0, 15, 0, 15, 9, 6, 6, 18, 6, 3, 12, 18, 6, 21, 0, 9, 12, 6, 6, 27, 6, 9, 12, 18, 6, 15, 12, 18, 18, 6, 0, 33, 0, 15, 18, 18, 9, 18, 12, 9, 18, 18, 0, 39, 6, 9, 24, 18, 12, 18, 0, 27, 18, 15, 6, 33, 12, 6, 24, 30 (list; graph; listen)

	OFFSET	`1,5`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	CROSSREFS	`Cf. A066851.` `Sequence in context: A096597 A097994 A053604 this_sequence A066851 A167223 A078907` `Adjacent sequences: A066955 A066956 A066957 this_sequence A066959 A066960 A066961`
	KEYWORD	`nonn,easy`
	AUTHOR	`Colin Mallows (colinm(AT)research.avayalabs.com) Jan 26 2002`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 14 2002`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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