A109951 - OEIS

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A109951

First differences of A109950.

0, 1, 0, 1, 1, 1, 1, 2, 2, 1, 3, 2, 2, 5, 2, 4, 3, 7, 2, 8, 2, 6, 9, 5, 3, 8, 10, 0, 14, -1, 12, 6, 6, 3, 13, 8, 4, 16, 0, 14, 17, 10, 4, 32, 7, 9, 32, 3, 28, 30, 9, 2, 42, 21, 0, 45, -3, 33, 30, -12, 2, 62, 18, -1, 54, -22, 60, 6, 19, -18, 146, -22, 16, 95, -7, 61, 11, 74, 10, 135, 25, -15 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,8`
	FORMULA	`a(n) = A109950(n+1) - A109950(n).`
	CROSSREFS	`Cf. A109969.` `Sequence in context: A112200 A112221 A130816 * A116608 A002947 A128180` `Adjacent sequences: A109948 A109949 A109950 * A109952 A109953 A109954`
	KEYWORD	`sign`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 06 2005`
	EXTENSIONS	`Corrected by N. J. A. Sloane (njas(AT)research.att.com), Nov 05 2005` `More terms from David Wasserman (dwasserm(AT)earthlink.net), Oct 28 2008`

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.