id:A009814 - OEIS Search Results

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

+0
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0, 1, 2, 3, -12, -163, -1178, -4529, 27496, 870169, 11481482, 85659387, -308661540, -25105525963, -525814629650, -6328753571321, -1529929548080, 2300980143865777, 71594692481521682, 1258339660640728947 (list; graph; listen)

	OFFSET	`0,3`
	MATHEMATICA	`Tanh[ Tan[ x ]*Exp[ x ] ]`
	CROSSREFS	`Sequence in context: A132501 A067338 A012713 this_sequence A051298 A069870 A067180` `Adjacent sequences: A009811 A009812 A009813 this_sequence A009815 A009816 A009817`
	KEYWORD	`sign,easy`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

AT&T Labs Research