A013444 cos(tan(x)-arctan(x))=1-160/6!*x^6+1792/8!*x^8-484224/10!*x^10...

1, 0, 0, -160, 1792, -484224, 38725632, -8292976640, 1743232565248, -521161362997248, 188842450602393600, -83511992640895975424, 44545415648776825077760, -27875257165637958804439040

Offset

0,4

Links

Table of n, a(n) for n=0..13.

Crossrefs

Sequence in context: A127409 A013447 A013446 * A013448 A234650 A214354

Adjacent sequences: A013441 A013442 A013443 * A013445 A013446 A013447

Keyword

sign

Author

Patrick Demichel (patrick.demichel(AT)hp.com)

Status

approved