A009416 - OEIS

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A009416

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

0, 1, -1, 5, -12, 49, -225, 1301, -8848, 69441, -616185, 6095429, -66475596, 792143793, -10238194057, 142633278997, -2130537219840, 33964965659649, -575573407212753, 10331348137881349, -195807849389362540 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+x ]*Cosh[ x ]`
	CROSSREFS	`Sequence in context: A006078 A046612 A009425 * A135769 A074024 A054661` `Adjacent sequences: A009413 A009414 A009415 * A009417 A009418 A009419`
	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 13:28 EST 2012. Contains 206031 sequences.