id:A009176 - OEIS Search Results

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

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1, 0, -12, -216, -5296, -168128, -5391680, 38412672, 61881368832, 16576603568128, 4120672559178752, 1085659391947229184, 313198080458495610880, 99633528964523733598208, 34860299883730859703910400 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Cosh[ x ]Cos[ Tan[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A034788 A082165 A006689 this_sequence A087585 A098647 A034832` `Adjacent sequences: A009173 A009174 A009175 this_sequence A009177 A009178 A009179`
	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 November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research