id:A012796 - OEIS Search Results

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arctan(sec(x)*tan(x))=x+3/3!*x^3-15/5!*x^5-1197/7!*x^7-255/9!*x^9...

+0
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1, 3, -15, -1197, -255, 5448003, 241437105, -104019879597, -17849464279935, 5108933510880003, 2525823613297136625, -425245839735677809197, -661733086487793705145215, -4593026819719423131883197 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Adjacent sequences: A012793 A012794 A012795 this_sequence A012797 A012798 A012799` `Sequence in context: A013410 A029521 A012766 this_sequence A096368 A016066 A012848`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

AT&T Labs Research