A009037 - OEIS

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A009037

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

1, -1, 9, -153, 4273, -177489, 10342137, -800697641, 78896218081, -9587206592289, 1403875965476969, -243412313149166137, 49273184499900888465, -11506634193913551650161, 3067851166645384439929945 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Sin[ Sin[ x ] ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A151835 A113391 A045755 * A012148 A193540 A193543` `Adjacent sequences: A009034 A009035 A009036 * A009038 A009039 A009040`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified February 16 19:40 EST 2012. Contains 205946 sequences.