id:A009698 - OEIS Search Results

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

+0
2

0, 2, 12, 358, 19352, 1709194, 222722596, 40122780142, 9543330683696, 2895895566420498, 1091590070839432764, 500335689476146083190, 274027979513688992336584, 176734166480671985581245594 (list; graph; listen)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Tan[ x ] ]Sin[ x ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A074257 A105231 A009398 this_sequence A012724 A012624 A061307` `Adjacent sequences: A009695 A009696 A009697 this_sequence A009699 A009700 A009701`
	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 November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research