id:A012693 - OEIS Search Results

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arctan(tanh(x)*sinh(x))=2/2!*x^2-4/4!*x^4-178/6!*x^6+5336/8!*x^8...

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2, -4, -178, 5336, 363002, -51606124, -2970605818, 1739354509616, -3370162346638, -146251701849391444, 20841577570771860542, 24665031557633886866696, -10649944278498283837904278 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A009553 A012371 A009815 this_sequence A018608 A018611 A012369` `Adjacent sequences: A012690 A012691 A012692 this_sequence A012694 A012695 A012696`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research