A009678 - OEIS

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A009678

Expansion of tan(sinh(tan(x))).

1, 5, 113, 5725, 509729, 70109269, 13747568721, 3638247408429, 1248754592688193, 539284011302978597, 286116175138397606705, 182918545555610954788989, 138683263058208603513689441 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Sinh[ Tan[ x ] ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A163014 A199650 A009603 * A009691 A194570 A053712` `Adjacent sequences: A009675 A009676 A009677 * A009679 A009680 A009681`
	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 February 16 02:51 EST 2012. Contains 205860 sequences.