A009371 - OEIS

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A009371

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

0, 1, 1, 4, 0, 45, -155, 1748, -13496, 151169, -1682191, 22018412, -307464872, 4746159613, -78744546907, 1410956472396, -27026759291728, 552443153007777, -11988735452427903, 275451486233018100, -6677966707663119664 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	MATHEMATICA	`Log[ 1+Tan[ x ] ]*Exp[ x ]`
	CROSSREFS	`Sequence in context: A138546 A019217 A189424 * A101502 A118440 A013037` `Adjacent sequences: A009368 A009369 A009370 * A009372 A009373 A009374`
	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 February 14 23:53 EST 2012. Contains 205689 sequences.