id:A012501 - OEIS Search Results

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cos(cos(x)*arctan(x))=1-1/2!*x^2+21/4!*x^4-645/6!*x^6+34153/8!*x^8...

+0
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1, -1, 21, -645, 34153, -2966505, 380114493, -67244074989, 15717842398417, -4694489063253585, 1744673430747688805, -789702534539438543573, 427739642844597474379833, -273184203052102765688128825 (list; graph; listen)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A141265 A025752 A163032 this_sequence A027408 A158216 A020246` `Adjacent sequences: A012498 A012499 A012500 this_sequence A012502 A012503 A012504`
	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.

AT&T Labs Research