A009142 - OEIS

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A009142

Expansion of cosh(sin(sin(x))).

1, 1, -7, 73, -687, -19471, 2839561, -260138759, 22560194593, -1856685484703, 115492830956953, 5211807618131753, -4918276086306813839, 1664523472944706933841, -477486870436056568353623 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Cosh[ Sin[ Sin[ x ] ]] (* Even Part *)`
	CROSSREFS	`Sequence in context: A003535 A050917 A025592 * A155614 A113033 A093675` `Adjacent sequences: A009139 A009140 A009141 * A009143 A009144 A009145`
	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 17 04:58 EST 2012. Contains 205985 sequences.