id:A012731 - OEIS Search Results

Search: id:A012731

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arctan(atanh(x)*atan(x))=2/2!*x^2-32/6!*x^6+283392/10!*x^10...

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2, -32, 283392, 1121740800, 157951397068800, 14184297129466920960, 5248874425245870210416640, 2544005109030684773416383283200 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Sequence in context: A012853 A128146 A012604 this_sequence A073402 A078732 A042251` `Adjacent sequences: A012728 A012729 A012730 this_sequence A012732 A012733 A012734`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.