A013321 - OEIS

This site is supported by donations to The OEIS Foundation.

A013321

sech(exp(x)-cos(x))=1-1/2!*x^2-6/3!*x^3-11/4!*x^4+80/5!*x^5...

1, 0, -1, -6, -11, 80, 923, 3682, -26567, -585120, -3969849, 24427370, 948294477, 9793100720, -42570639997, -3129194240622, -45887540775759, 90022891149760, 18204741288946383, 363299569735984474 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,4`
	CROSSREFS	`Sequence in context: A001543 A077705 A077697 * A192893 A188599 A012419` `Adjacent sequences: A013318 A013319 A013320 * A013322 A013323 A013324`
	KEYWORD	`sign`
	AUTHOR	`Patrick Demichel (patrick.demichel(AT)com)`

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

Last modified February 16 12:12 EST 2012. Contains 205908 sequences.