id:A012779 - OEIS Search Results

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sech(sec(x)*log(x+1))=1-1/2!*x^2+3/3!*x^3-18/4!*x^4+60/5!*x^5...

+0
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1, 0, -1, 3, -18, 60, -180, -1050, 24192, -308952, 3131760, -23742840, 62587272, 2606501040, -75839636600, 1415140435800, -20144425867712, 187207018203392, 730860552463104, -93674690778135744 (list; graph; listen)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A139362 A012763 A006011 this_sequence A074439 A000648 A110689` `Adjacent sequences: A012776 A012777 A012778 this_sequence A012780 A012781 A012782`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research