id:A037228 - OEIS Search Results

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phi(n) - pi(n).

+0
14

1, 0, 0, 0, 1, -1, 2, 0, 2, 0, 5, -1, 6, 0, 2, 2, 9, -1, 10, 0, 4, 2, 13, -1, 11, 3, 9, 3, 18, -2, 19, 5, 9, 5, 13, 1, 24, 6, 12, 4, 27, -1, 28, 6, 10, 8, 31, 1, 27, 5, 17, 9, 36, 2, 24, 8, 20, 12, 41, -1, 42, 12, 18, 14, 30, 2, 47, 13, 25, 5, 50, 4, 51, 15, 19, 15, 39, 3, 56, 10, 32, 18, 59, 1, 41, 19 (list; graph; listen)

	OFFSET	`1,7`
	COMMENT	`It is known that a(n) >= 0 for n >= 61.`
	REFERENCES	`D. S. Mitrinovic et al., Handbook of Number Theory, Kluwer, p. 11.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=1..1000`
	CROSSREFS	`Cf. A037171, A037229.` `Sequence in context: A079200 A011420 A035686 this_sequence A002117 A042970 A158327` `Adjacent sequences: A037225 A037226 A037227 this_sequence A037229 A037230 A037231`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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

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