A013457 sin(tan(x)-arctanh(x))=-8/5!*x^5-448/7!*x^7-32384/9!*x^9...

8, 448, 32384, 3275008, 456633344, 85209957376, 20642665299968, 6317122591227904, 2385636036677599232, 1090226048919008706560, 593123978260373222981632, 378879965375277796067115008

Offset

0,1

Links

Table of n, a(n) for n=0..11.

Crossrefs

Sequence in context: A215527 A240320 A378805 * A012740 A042525 A028449

Adjacent sequences: A013454 A013455 A013456 * A013458 A013459 A013460

Keyword

nonn

Author

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

Status

approved