A024244 - OEIS

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A024244

Expansion of tan(sin(x).x)/2.

0, 1, -2, 123, -3364, 307445, -27693606, 4225124911, -763609828808, 186062503278825, -54699231827563210, 19846874921743244771, -8537442340155261028332, 4342042121637684282920413 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Tan[ Sin[ x ]x ]/2 ( Even Part *)`
	CROSSREFS	`A009673.` `Sequence in context: A042799 A074490 A056638 * A088055 A065705 A012870` `Adjacent sequences: A024241 A024242 A024243 * A024245 A024246 A024247`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified February 14 00:21 EST 2012. Contains 205567 sequences.