A130669 - OEIS

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A130669

Smallest k such that phi(x)=k has exactly n odd solutions.

1, 6, 24, 60, 144, 72, 216, 480, 600, 240, 432 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	LINKS	`Vladeta Jovovic, Table of n, a(n) for n = 1..100`
	EXAMPLE	`a(3)=24 because there are 3 odd solutions (35, 39, 45) to phi(x)=24 and for every k<24 the number of odd solutions to phi(x)=k is unequal to 3.`
	CROSSREFS	`Cf. A007374.` `Sequence in context: A160944 A160936 A007531 * A101854 A101877 A092348` `Adjacent sequences: A130666 A130667 A130668 * A130670 A130671 A130672`
	KEYWORD	`nonn`
	AUTHOR	`Franz Vrabec (franz.vrabec(AT)aon.at), Jun 27 2007`

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.