A012302 - OEIS

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A012302

sec(sin(x)*sin(x))=1+12/4!*x^4-240/6!*x^6+12432/8!*x^8...

1, 0, 12, -240, 12432, -1073280, 125898432, -20938794240, 4567638266112, -1267670125547520, 437480763704527872, -183445824359628779520, 91908363767795383898112, -54223577318067990113648640 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A009166 A174556 A012349 * A012543 A012350 A126687` `Adjacent sequences: A012299 A012300 A012301 * A012303 A012304 A012305`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified February 17 06:20 EST 2012. Contains 205991 sequences.