id:A057001 - OEIS Search Results

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(phi(n+1)-phi(n))/2.

+0
1

0, 1, -1, 2, -1, 1, -1, 3, -3, 4, -3, 1, 0, 4, -5, 6, -5, 2, -1, 6, -7, 6, -4, 3, -3, 8, -10, 11, -7, 2, -2, 4, -6, 12, -9, 3, -4, 12, -14, 15, -11, 2, -1, 12, -15, 13, -11, 6, -4, 14, -17, 11, -8, 6, -4, 15, -21, 22, -15, 3, -2, 8, -14, 23, -17, 6, -10, 23, -23, 24, -18, 2, -2, 12, -18, 27, -23, 11 (list; graph; listen)

	OFFSET	`3,4`
	LINKS	`T. D. Noe, Table of n, a(n) for n=3..10000`
	CROSSREFS	`Cf. A000010.` `Sequence in context: A124772 A079415 A126347 this_sequence A084097 A122867 A124775` `Adjacent sequences: A056998 A056999 A057000 this_sequence A057002 A057003 A057004`
	KEYWORD	`sign`
	AUTHOR	`njas, Sep 09 2000`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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