id:A009508 - OEIS Search Results

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

+0
2

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

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ Tan[ x ] ]x ( Even Part *)`
	CROSSREFS	`Sequence in context: A135069 A067647 A009667 this_sequence A009418 A153691 A056727` `Adjacent sequences: A009505 A009506 A009507 this_sequence 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 December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research