A009361 - OEIS

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A009361

Expansion of ln(1+sinh(x)/cos(x)).

0, 1, -1, 6, -22, 140, -976, 8456, -83952, 957840, -12249856, 174293856, -2725714432, 46514037440, -859767771136, 17115342333056, -365039421683712, 8304761365213440, -200743169243938816, 5137820023434733056 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+Sinh[ x ]/Cos[ x ] ]`
	CROSSREFS	`Sequence in context: A193463 A009358 A002137 * A193445 A075759 A000993` `Adjacent sequences: A009358 A009359 A009360 * A009362 A009363 A009364`
	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 04:47 EST 2012. Contains 205860 sequences.