A012355 Expansion of e.g.f. sinh(tan(x) * log(x+1)).

0, 0, 2, -3, 16, -50, 440, -2856, 30896, -291528, 3518848, -41141320, 556495520, -7659162576, 116623578864, -1844238858840, 31500762034176, -562615136891072, 10696734155925504, -212805382639718016, 4464074777217786112, -97816050420003646080

Offset

0,3

Links

Table of n, a(n) for n=0..21.

Example

2/2!*x^2 - 3/3!*x^3 + 16/4!*x^4 - 50/5!*x^5 ...

Crossrefs

Sequence in context: A012704 A012698 A302611 * A012353 A012703 A012699

Adjacent sequences: A012352 A012353 A012354 * A012356 A012357 A012358

Keyword

sign

Author

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

Extensions

a(0) and a(1) inserted and title improved by Sean A. Irvine, Jul 18 2018

Status

approved