A009547 - OEIS

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A009547

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

0, 2, -4, -42, -8, 5354, 99956, 22974, -72550928, -3076799278, -44239291156, 4012843624614, 426360266016232, 20979538126746554, -55444364705437852, -137742540801276301170, -16928772211833384004640 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Sin[ x ]Sin[ Sinh[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A184245 A103105 A018312 * A009811 A009591 A009717` `Adjacent sequences: A009544 A009545 A009546 * A009548 A009549 A009550`
	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 21:51 EST 2012. Contains 205978 sequences.