A013167 Expansion of e.g.f. log(arctanh(x) + exp(x)).

0, 2, -3, 13, -74, 573, -5414, 61787, -817144, 12374569, -210429994, 3978169039, -82685370668, 1875127830925, -46061020851390, 1218540977107971, -34537657596434704, 1044190509028339409, -33542143648555416402

Offset

0,2

Links

Table of n, a(n) for n=0..18.

Example

2*x - 3/2!*x^2 + 13/3!*x^3 - 74/4!*x^4 + 573/5!*x^5 ...

Crossrefs

Sequence in context: A293251 A061912 A212433 * A224239 A361520 A068096

Adjacent sequences: A013164 A013165 A013166 * A013168 A013169 A013170

Keyword

sign

Author

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

Extensions

a(0)=0 inserted and title improved by Sean A. Irvine, Jul 31 2018

Status

approved