id:A111408 - OEIS Search Results

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f(f(n+1)-f(f(n), where f(m) = sigma(m) = A000203(m).

+0
1

1, 3, 3, 1, 4, 16, -13, 9, -10, 25, -11, 28, -32, 36, 0, -28, 7, 17, -14, 54, -33, 28, -31, 108, -136, 64, -6, 30, -48, 123, -132, 41, 20, -4, 4, -12, -52, 108, -48, 114, -138, 156, -168, 140, -56, 27, -71, 100, -144, 48, 67, -24, -51, 240, -165, 165, -174, 48, -66, 312, -384, 156, -42, -82, 96, 179, -277, 186 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A164731 A137919 A079081 this_sequence A092674 A111945 A002143` `Adjacent sequences: A111405 A111406 A111407 this_sequence A111409 A111410 A111411`
	KEYWORD	`sign`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Nov 12 2005`

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

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