A114005 - OEIS

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A114005

First column of number triangle A114004.

1, -2, -2, 2, -2, 6, -2, -2, 2, 6, -2, -10, -2, 6, 6, 2, -2, -10, -2, -10, 6, 6, -2, 14, 2, 6, -2, -10, -2, -26, -2, -2, 6, 6, 6, 26, -2, 6, 6, 14, -2, -26, -2, -10, -10, 6, -2, -18, 2, -10, 6 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Moebius transform of A114006. [From Mats Granvik (mats.granvik(AT)abo.fi), Jan 02 2009]`
	FORMULA	`a(n)=2*A114006(n)-0^n;`
	CROSSREFS	`Sequence in context: A098789 A162489 A079894 * A103794 A073124 A070877` `Adjacent sequences: A114002 A114003 A114004 * A114006 A114007 A114008`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Nov 12 2005`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.