id:A009827 - OEIS Search Results

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Expansion of tanh(x)*cosh(ln(1+x)).

+0
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0, 1, 0, 1, -12, 56, -240, 1744, -16128, 143296, -1353600, 14972288, -183912960, 2385640960, -33085817856, 496732177408, -7978174955520, 135579928592384, -2436661138489344, 46303359719833600, -926648972098928640 (list; graph; listen)

	OFFSET	`0,5`
	MATHEMATICA	`Tanh[ x ]*Cosh[ Log[ 1+x ] ]`
	CROSSREFS	`Sequence in context: A046998 A009430 A035289 this_sequence A068418 A068414 A081756` `Adjacent sequences: A009824 A009825 A009826 this_sequence A009828 A009829 A009830`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research