A009378 - OEIS

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A009378

Expansion of ln(1+tan(x)*sinh(x)).

0, 2, 0, 22, 280, 5402, 515460, 11703382, 2688141040, 146635350962, 34251754225020, 4629204580980142, 993794187704175400, 265705552906954222922, 63184407507496166760180 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Log[ 1+Tan[ x ]Sinh[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A182661 A189772 A156438 * A106708 A138551 A133490` `Adjacent sequences: A009375 A009376 A009377 * A009379 A009380 A009381`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified February 15 23:21 EST 2012. Contains 205860 sequences.