A012685 - OEIS

This site is supported by donations to The OEIS Foundation.

A012685

cosh(tanh(x)*arctan(x))=1+12/4!*x^4-480/6!*x^6+28560/8!*x^8...

1, 0, 12, -480, 28560, -2595840, 342910656, -62365675008, 14932846506240, -4548435497041920, 1716639310480919552, -786314410657025941504, 429828791337549223596032, -276479195899367035140833280 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	CROSSREFS	`Sequence in context: A012681 A009168 A012460 * A012465 A012394 A012686` `Adjacent sequences: A012682 A012683 A012684 * A012686 A012687 A012688`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)`

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

Last modified February 17 04:58 EST 2012. Contains 205985 sequences.