A009038 - OEIS

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A009038

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

1, -1, 1, 47, 1, -13409, 77441, 19836879, -535288319, -139742075329, -2263631905535, 1157041164813423, 85544399896958465, -10251042205544240161, -896378013566768664703, 524122354739233459190287 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Cos[ Sin[ Sinh[ x ] ] ] (* Even Part *)`
	CROSSREFS	`Sequence in context: A191939 A159446 A116328 * A051319 A065610 A033367` `Adjacent sequences: A009035 A009036 A009037 * A009039 A009040 A009041`
	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 10:28 EST 2012. Contains 205904 sequences.