A009016 - OEIS

This site is supported by donations to The OEIS Foundation.

A009016

Expansion of cos(cosh(x).x).

1, -1, -11, -61, 1737, 88679, 2086525, -45950997, -9763133167, -705668046769, -17356978593659, 3823112141007763, 788728947108214489, 82036502117747569079, 1412038521698998808077 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,3`
	MATHEMATICA	`Cos[ Cosh[ x ]x ] ( Even Part *)`
	CROSSREFS	`Sequence in context: A092164 A088545 A020454 * A191596 A052051 A162946` `Adjacent sequences: A009013 A009014 A009015 * A009017 A009018 A009019`
	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 18:53 EST 2012. Contains 205844 sequences.