A024275 - OEIS

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A024275

Expansion of ln(1+sinh(x)*sin(x))/2.

0, 1, -6, 116, -4816, 342736, -37272576, 5748462656, -1193465153536, 320935235205376, -108513125117853696, 45057835625375568896, -22540295648947188269056, 13370560809273727964041216 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Log[ 1+Sinh[ x ]Sin[ x ]]/2 ( Even Part *)`
	CROSSREFS	`A009359.` `Sequence in context: A003425 A052465 A113015 * A100070 A135869 A054957` `Adjacent sequences: A024272 A024273 A024274 * A024276 A024277 A024278`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs 03/97.`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.