A009706 - OEIS

This site is supported by donations to The OEIS Foundation.

A009706

tan(sinh(x)*tan(x))=2/2!*x^2+12/4!*x^4+382/6!*x^6+23352/8!*x^8...

0, 2, 12, 382, 23352, 2223002, 318236292, 63069898582, 16506522005232, 5516152886719922, 2290713333669640572, 1156963264109505327022, 698325697094916345135912, 496389417580098665436907082 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Tan[ x ]Sinh[ x ] ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A131690 A158261 A012547 * A012551 A156509 A051009` `Adjacent sequences: A009703 A009704 A009705 * A009707 A009708 A009709`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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

Last modified February 16 06:37 EST 2012. Contains 205860 sequences.