id:A024342 - OEIS Search Results

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

+0
2

2, 112, 92672, 365688832, 4411282030592, 127206964253949952, 7496936195881447718912, 809926025985929119868649472, 148071124873925782667263194693632 (list; graph; listen)

	OFFSET	`0,1`
	MATHEMATICA	`Tanh[ x ]Tan[ x ] ( [ x^(4n+2) ] *)`
	CROSSREFS	`Sequence in context: A117698 A024341 A012528 this_sequence A012525 A165975 A051590` `Adjacent sequences: A024339 A024340 A024341 this_sequence A024343 A024344 A024345`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research