A012671 - OEIS

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A012671

sinh(tanh(x)*tan(x))=2/2!*x^2+232/6!*x^6+405152/10!*x^10...

2, 232, 405152, 3115956352, 68413355397632, 3412444856961083392, 334650367409781717573632, 58337032599905770133366013952, 16778439915509994766212708150935552 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,1`
	LINKS	`Table of n, a(n) for n=0..8.`
	MATHEMATICA	`Sinh[ Tanh[ x ]Tan[ x ] ] ( [ x^(4n+2) ] *)`
	CROSSREFS	`2 * A009671(n).` `Sequence in context: A113800 A133495 A066622 * A012526 A012668 A012530` `Adjacent sequences: A012668 A012669 A012670 * A012672 A012673 A012674`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified May 25 12:28 EDT 2013. Contains 225647 sequences.