A009052 - OEIS

This site is supported by donations to The OEIS Foundation.

A009052

Expansion of cos(sin(x)^2).

1, 0, -12, 240, -2352, -136320, 15140928, -971093760, 28387408128, 4688909905920, -1262963768650752, 191995869733662720, -17544464368915034112, -1212607904700871311360, 1171249187182930708021248 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Sin[ x ]^2 ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A189883 A033469 A012544 * A012303 A119837 A012538` `Adjacent sequences: A009049 A009050 A009051 * A009053 A009054 A009055`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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

Last modified February 16 04:18 EST 2012. Contains 205860 sequences.