A009824 - OEIS

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A009824

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

0, 1, 0, -5, 12, -14, 120, -1238, 6608, -30092, 279360, -3130852, 26571600, -212970328, 2311816416, -27582585592, 262039232640, -1763092281712, 1470511954944, 439606528588592, -18342263739368000, 558461845910267936 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Tanh[ x ]*Cos[ Log[ 1+x ] ]`
	CROSSREFS	`Sequence in context: A185871 A037007 A066025 * A087090 A161756 A184399` `Adjacent sequences: A009821 A009822 A009823 * A009825 A009826 A009827`
	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 17 06:27 EST 2012. Contains 205998 sequences.