A009029 - OEIS

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A009029

Expansion of cos(ln(1+x)*cosh(x)).

1, 0, -1, 3, -22, 100, -580, 3150, -16868, 80568, -141500, -4254580, 105666112, -1880236800, 31074394312, -508890083520, 8476622031888, -145412857677888, 2584745973422384, -47756915743199760, 918437313488897760 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Cos[ Log[ 1+x ]*Cosh[ x ] ]`
	CROSSREFS	`Sequence in context: A135836 A004305 A095663 * A009032 A061182 A143552` `Adjacent sequences: A009026 A009027 A009028 * A009030 A009031 A009032`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 16 10:43 EST 2012. Contains 205904 sequences.