id:A012820 - OEIS Search Results

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sech(sec(x)*sinh(x))=1-1/2!*x^2-11/4!*x^4-37/6!*x^6+7145/8!*x^8...

+0
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1, -1, -11, -37, 7145, 450711, -3070179, -4923539597, -586954253103, 57287087552943, 41119408518068293, 5965331366096594059, -2749345524263504663367, -1905635088547220040309433 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A104269 A084014 A084018 this_sequence A162929 A116059 A100842` `Adjacent sequences: A012817 A012818 A012819 this_sequence A012821 A012822 A012823`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

AT&T Labs Research