id:A009068 - OEIS Search Results

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Expansion of cos(tan(tan(x))).

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1, -1, -15, -513, -31007, -2881089, -376412847, -64825974593, -13951231536191, -3556538162237313, -998391201911168335, -261420586488162589057, -14787500346745601332575, 86170769393986400590463039 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Tan[ Tan[ x ] ] ] (* Even Part *)`
	CROSSREFS	`Adjacent sequences: A009065 A009066 A009067 this_sequence A009069 A009070 A009071` `Sequence in context: A062752 A004703 A092561 this_sequence A074040 A002403 A077206`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

AT&T Labs Research