A133912 - OEIS

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A133912

First differences of A007001.

1, 1, -1, 1, 1, -2, 1, -1, 1, 1, -2, 1, 1, 1, -3, 1, -1, 1, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,6`
	EXAMPLE	`a(5) = 1 = A007001(5) - A007001(4) = (3 - 2).`
	CROSSREFS	`Cf. A007001, A133913, A133914.` `Sequence in context: A205007 A078470 A151683 * A122934 A072170 A056624` `Adjacent sequences: A133909 A133910 A133911 * A133913 A133914 A133915`
	KEYWORD	`more,sign`
	AUTHOR	`Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 28 2007`

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Last modified February 15 23:34 EST 2012. Contains 205860 sequences.