A012478 - OEIS

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A012478

sec(cos(x)*sin(x))=1+1/2!*x^2-11/4!*x^4-83/6!*x^6+10505/8!*x^8...

1, 1, -11, -83, 10505, 6009, -60553539, 2140355557, 1174906248337, -146823377897103, -55094515820657147, 17482899642565858461, 4900898798285366105753, -3664217968514770645784087 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	LINKS	`Table of n, a(n) for n=0..13.`
	CROSSREFS	`Sequence in context: A129077 A152582 A191003 * A026783 A001240 A129180` `Adjacent sequences: A012475 A012476 A012477 * A012479 A012480 A012481`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified May 21 13:46 EDT 2013. Contains 225489 sequences.