id:A012568 - OEIS Search Results

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arctanh(sinh(x)*cos(x))=x-20/5!*x^5-560/7!*x^7-7920/9!*x^9...

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1, 0, -20, -560, -7920, 1034880, 172569280, 12339608320, -1902800305920, -1037015219466240, -208832669083243520, 24402030281141555200, 43057075784745711636480, 18939654540025835056496640 (list; graph; listen)

	OFFSET	`0,3`
	FORMULA	`a(n) = A009357(2n+1). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 17 2007`
	CROSSREFS	`Cf. A009357.` `Sequence in context: A130186 A130033 A047682 this_sequence A027407 A116218 A035279` `Adjacent sequences: A012565 A012566 A012567 this_sequence A012569 A012570 A012571`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified March 20 01:21 EDT 2010. Contains 173643 sequences.

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