A009713 - OEIS

This site is supported by donations to The OEIS Foundation.

A009713

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

1, 2, 8, -176, -16384, -969728, -32455680, 4303626240, 1468506210304, 269552004300800, 24649152071991296, -7396863878894714880, -5630959968640999358464, -2114449853843696991076352 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Tanh[ Tan[ x ] ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A076548 A167009 A105232 * A009377 A181234 A156526` `Adjacent sequences: A009710 A009711 A009712 * A009714 A009715 A009716`
	KEYWORD	`sign`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended with signs Mar 15 1997 by Olivier Gerard.`

Content is available under The OEIS End-User License Agreement .

Last modified February 15 19:02 EST 2012. Contains 205852 sequences.