A009043 - OEIS

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A009043

Expansion of cos(sin(x))/cos(x).

1, 0, 4, 24, 848, 25792, 1491392, 106879616, 10504954112, 1298259085312, 200164547589120, 37466482286032896, 8382720548500262912, 2208241619066995294208, 676599830605856131694592 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Sin[ x ] ]/Cos[ x ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A012989 A058171 A196866 * A024251 A193484 A024252` `Adjacent sequences: A009040 A009041 A009042 * A009044 A009045 A009046`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified February 16 07:10 EST 2012. Contains 205874 sequences.