A062951 - OEIS

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A062951

H(A005117(n)) where H(n) is the half-totient function and A005117(n) are the squarefree numbers.

1, 2, 1, 3, 2, 5, 6, 3, 4, 8, 9, 6, 5, 11, 6, 14, 4, 15, 10, 8, 12, 18, 9, 12, 20, 6, 21, 11, 23, 16, 26, 20, 18, 14, 29, 30, 15, 24, 10, 33, 22, 12, 35, 36, 18, 30, 12, 39, 20, 41, 32, 21, 28, 44, 36, 30, 23, 36, 48, 50, 16, 51, 24, 26, 53, 54, 20, 36, 56, 18, 44, 29, 48, 30, 40 (list; graph; refs; listen; history; internal format)

	OFFSET	`3,2`
	PROG	`(PARI) H(n)=eulerphi(n)/2; j=[]; for(n=3, 200, if(issquarefree(n), j=concat(j, H(n)))); j`
	CROSSREFS	`Cf. A023022, A005117.` `Sequence in context: A045931 A079974 A102517 * A145794 A176741 A014000` `Adjacent sequences: A062948 A062949 A062950 * A062952 A062953 A062954`
	KEYWORD	`nonn`
	AUTHOR	`Jason Earls (zevi_35711(AT)yahoo.com), Jul 21 2001`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.