A013487 - OEIS

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A013487

cos(cos(x)-sech(x))=1-560/8!*x^8+50400/10!*x^10-4403520/12!*x^12...

1, 0, 0, 0, -560, 50400, -4403520, 451651200, -55603258880, 8098495142400, -1364657183216640, 258905686980864000, -53203592135631564800, 11000355030582368256000, -1812425415209721012879360 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,5`
	LINKS	`Table of n, a(n) for n=0..14.`
	CROSSREFS	`Sequence in context: A196568 A171347 A193171 * A167822 A104590 A184047` `Adjacent sequences: A013484 A013485 A013486 * A013488 A013489 A013490`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)hp.com)`
	STATUS	`approved`

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Last modified May 24 20:40 EDT 2013. Contains 225631 sequences.