A024348 - OEIS

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A024348

Expansion of tan(x^2).

2, 240, 483840, 4704860160, 140016638361600, 9962283186074419200, 1448674564423160954880000, 386164234578290422390456320000 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	MATHEMATICA	`Tan[ x^2 ] (* [ x^(4n+2) ] *)`
	CROSSREFS	`Sequence in context: A159280 A087226 A071967 * A006523 A055968 A074256` `Adjacent sequences: A024345 A024346 A024347 * A024349 A024350 A024351`
	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 15 21:10 EST 2012. Contains 205856 sequences.