id:A009822 - OEIS Search Results

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Expansion of tanh(tanh(x).exp(x)).

+0
1

0, 1, 2, -1, -28, -123, 182, 7667, 54280, -145239, -7508758, -69740537, 300239084, 17444352109, 197525621022, -1252976775365, -79313336380656, -1042490265261103, 9235164337672658, 623118827676161167 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Tanh[ Tanh[ x ]*Exp[ x ] ]`
	CROSSREFS	`Sequence in context: A012415 A012660 A015155 this_sequence A005693 A074011 A054235` `Adjacent sequences: A009819 A009820 A009821 this_sequence A009823 A009824 A009825`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhh(AT)cadence.com), Simon Plouffe (plouffe(AT)math.uqam.ca)`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research