id:A013514 - OEIS Search Results

Search: id:A013514

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sec(sec(x)-sech(x)) = 1+12/4!*x^4+15232/8!*x^8+128432832/12!*x^12...

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1, 12, 15232, 128432832, 3951670227712, 322851365262723072, 57788996387839852122112, 19922979338554898934445228032 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A012608 A012735 A012674 this_sequence A125547 A159421 A159369` `Adjacent sequences: A013511 A013512 A013513 this_sequence A013515 A013516 A013517`
	KEYWORD	`nonn`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.