A009708 - OEIS

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A009708

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

1, 7, 177, 10519, 1108833, 180134183, 41643888145, 12982974409271, 5247381641852609, 2667871676330509895, 1666128949779524612977, 1253728661849677130856279, 1118729647152655182634160673 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..12.`
	MATHEMATICA	`Tan[ Tan[ x ]/Cos[ x ]] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A152930 A027489 A098433 * A221110 A142256 A141983` `Adjacent sequences: A009705 A009706 A009707 * A009709 A009710 A009711`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`
	STATUS	`approved`

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Last modified May 23 02:43 EDT 2013. Contains 225585 sequences.