A024281 - OEIS

This site is supported by donations to The OEIS Foundation.

A024281

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

0, 1, 8, 76, -2752, -553904, -77878912, -11370511424, -1778864822272, -282582967817984, -36606453394757632, 2075368674171759616, 5791517230149348343808, 4398620127304280971595776 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Sin[ Tan[ x ]^2 ]/2 (* Even Part *)`
	CROSSREFS	`A009518.` `Sequence in context: A096293 A083234 A144851 * A105429 A091686 A091691` `Adjacent sequences: A024278 A024279 A024280 * A024282 A024283 A024284`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

Content is available under The OEIS End-User License Agreement .

Last modified February 14 22:58 EST 2012. Contains 205685 sequences.