id:A013508 - OEIS Search Results

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cos(sec(x)-sech(x))=1-12/4!*x^4-5152/8!*x^8-7351872/12!*x^12...

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1, -12, -5152, -7351872, 23844355328, 2971598628507648, 259172055916070309888, 31874732857037574011240448 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A009094 A061701 A134821 this_sequence A003793 A094268 A012607` `Adjacent sequences: A013505 A013506 A013507 this_sequence A013509 A013510 A013511`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.