A009510 - OEIS

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A009510

Expansion of sin(tan(x))/cosh(x).

1, -2, 12, -464, 336, -838752, -11036608, -5128035072, -109537337088, -68456854604288, 1239349299477504, -1118496851419058176, 496293938871527395328, 82254029902844029313024 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ Tan[ x ] ]/Cosh[ x ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A012786 A168504 A062738 * A091471 A012625 A012630` `Adjacent sequences: A009507 A009508 A009509 * A009511 A009512 A009513`
	KEYWORD	`sign`
	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 14 15:24 EST 2012. Contains 205626 sequences.