A009508 - OEIS

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A009508

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

0, 2, 4, -18, -2200, -150150, -11618004, -1078005082, -118928710576, -15184771406478, -2148536703814700, -309605570133329954, -34193099991177752904, 4268254817856544829418, 6637048590856623019431932 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ Tan[ x ] ]x ( Even Part *)`
	CROSSREFS	`Sequence in context: A135069 A067647 A009667 * A009418 A153691 A184308` `Adjacent sequences: A009505 A009506 A009507 * A009509 A009510 A009511`
	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 15 21:56 EST 2012. Contains 205860 sequences.