A012660 - OEIS

This site is supported by donations to The OEIS Foundation.

A012660

arctan(tanh(x)*exp(x))=x+2/2!*x^2-1/3!*x^3-28/4!*x^4-115/5!*x^5...

1, 2, -1, -28, -115, 422, 10859, 62792, -658855, -17714998, -105832681, 2697504812, 73345212005, 348796937582, -22580196404221, -608734768217968, -1123101121107535, 335099557538486162 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Sequence in context: A089963 A012411 A012415 * A015155 A009822 A005693` `Adjacent sequences: A012657 A012658 A012659 * A012661 A012662 A012663`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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

Last modified February 13 08:12 EST 2012. Contains 205451 sequences.