id:A009395 - OEIS Search Results

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Expansion of ln(1+tanh(x).exp(x)).

+0
1

0, 1, 1, -3, -2, 45, -74, -1113, 7288, 27465, -647894, 1393227, 59935228, -604628115, -4418438114, 143982353967, -381525392432, -30072901507695, 405576151229266, 4636550476777107, -187783513074129692, 514355533864732725 (list; graph; listen)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+Tanh[ x ]*Exp[ x ] ]`
	CROSSREFS	`Sequence in context: A065085 A093398 A002680 this_sequence A093892 A104254 A063513` `Adjacent sequences: A009392 A009393 A009394 this_sequence A009396 A009397 A009398`
	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 7 08:40 EST 2009. Contains 170430 sequences.

AT&T Labs Research